Home / 516,025.80-774,038.70-136,945.80

Finding the Fourth Proportional to 516,025.80, 774,038.70 and 136,945.80

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Solution

The fourth proportional to 516,025.80, 774,038.70 and 136,945.80 is: 205,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,025.80 : 774,038.70 = 136,945.80 : x
  2. Step 2: Convert to fraction form
    516,025.80/774,038.70 = 136,945.80/x
  3. Step 3: Cross multiply
    516,025.80x = 774,038.70 × 136,945.80
  4. Step 4: Simplify right side
    516,025.80x = 106,001,349,002.46
  5. Step 5: Solve for x
    x = 106,001,349,002.46/516,025.80
  6. Step 6: Final answer
    x = 205,418.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.