Home / 142,248.24-196,306.50-84,920.88

Finding the Fourth Proportional to 142,248.24, 196,306.50 and 84,920.88

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Solution

The fourth proportional to 142,248.24, 196,306.50 and 84,920.88 is: 117,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,248.24 : 196,306.50 = 84,920.88 : x
  2. Step 2: Convert to fraction form
    142,248.24/196,306.50 = 84,920.88/x
  3. Step 3: Cross multiply
    142,248.24x = 196,306.50 × 84,920.88
  4. Step 4: Simplify right side
    142,248.24x = 16,670,520,729.72
  5. Step 5: Solve for x
    x = 16,670,520,729.72/142,248.24
  6. Step 6: Final answer
    x = 117,193.16

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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.