Home / 136,296.18-188,088.71-75,865.52

Finding the Fourth Proportional to 136,296.18, 188,088.71 and 75,865.52

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Solution

The fourth proportional to 136,296.18, 188,088.71 and 75,865.52 is: 104,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,296.18 : 188,088.71 = 75,865.52 : x
  2. Step 2: Convert to fraction form
    136,296.18/188,088.71 = 75,865.52/x
  3. Step 3: Cross multiply
    136,296.18x = 188,088.71 × 75,865.52
  4. Step 4: Simplify right side
    136,296.18x = 14,269,446,470.51
  5. Step 5: Solve for x
    x = 14,269,446,470.51/136,296.18
  6. Step 6: Final answer
    x = 104,694.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.