Home / 142,301.91-213,522.07-67,332.75

Finding the Fourth Proportional to 142,301.91, 213,522.07 and 67,332.75

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Solution

The fourth proportional to 142,301.91, 213,522.07 and 67,332.75 is: 101,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,301.91 : 213,522.07 = 67,332.75 : x
  2. Step 2: Convert to fraction form
    142,301.91/213,522.07 = 67,332.75/x
  3. Step 3: Cross multiply
    142,301.91x = 213,522.07 × 67,332.75
  4. Step 4: Simplify right side
    142,301.91x = 14,377,028,158.79
  5. Step 5: Solve for x
    x = 14,377,028,158.79/142,301.91
  6. Step 6: Final answer
    x = 101,031.87

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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.