Home / 103,412.62-142,687.27-60,372.56

Finding the Fourth Proportional to 103,412.62, 142,687.27 and 60,372.56

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Solution

The fourth proportional to 103,412.62, 142,687.27 and 60,372.56 is: 83,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,412.62 : 142,687.27 = 60,372.56 : x
  2. Step 2: Convert to fraction form
    103,412.62/142,687.27 = 60,372.56/x
  3. Step 3: Cross multiply
    103,412.62x = 142,687.27 × 60,372.56
  4. Step 4: Simplify right side
    103,412.62x = 8,614,395,769.31
  5. Step 5: Solve for x
    x = 8,614,395,769.31/103,412.62
  6. Step 6: Final answer
    x = 83,301.20

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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.