Home / 142,402.19-213,635.68-75,807.23

Finding the Fourth Proportional to 142,402.19, 213,635.68 and 75,807.23

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Solution

The fourth proportional to 142,402.19, 213,635.68 and 75,807.23 is: 113,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,402.19 : 213,635.68 = 75,807.23 : x
  2. Step 2: Convert to fraction form
    142,402.19/213,635.68 = 75,807.23/x
  3. Step 3: Cross multiply
    142,402.19x = 213,635.68 × 75,807.23
  4. Step 4: Simplify right side
    142,402.19x = 16,195,127,872.27
  5. Step 5: Solve for x
    x = 16,195,127,872.27/142,402.19
  6. Step 6: Final answer
    x = 113,728.09

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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.