Home / 516,135.75-774,269.24-142,158.75

Finding the Fourth Proportional to 516,135.75, 774,269.24 and 142,158.75

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Solution

The fourth proportional to 516,135.75, 774,269.24 and 142,158.75 is: 213,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,135.75 : 774,269.24 = 142,158.75 : x
  2. Step 2: Convert to fraction form
    516,135.75/774,269.24 = 142,158.75/x
  3. Step 3: Cross multiply
    516,135.75x = 774,269.24 × 142,158.75
  4. Step 4: Simplify right side
    516,135.75x = 110,069,146,611.06
  5. Step 5: Solve for x
    x = 110,069,146,611.06/516,135.75
  6. Step 6: Final answer
    x = 213,256.20

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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.