Home / 142,358.56-213,535.14-42,519.04

Finding the Fourth Proportional to 142,358.56, 213,535.14 and 42,519.04

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Solution

The fourth proportional to 142,358.56, 213,535.14 and 42,519.04 is: 63,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,358.56 : 213,535.14 = 42,519.04 : x
  2. Step 2: Convert to fraction form
    142,358.56/213,535.14 = 42,519.04/x
  3. Step 3: Cross multiply
    142,358.56x = 213,535.14 × 42,519.04
  4. Step 4: Simplify right side
    142,358.56x = 9,079,309,159.07
  5. Step 5: Solve for x
    x = 9,079,309,159.07/142,358.56
  6. Step 6: Final answer
    x = 63,777.75

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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.