Home / 142,925.04-197,191.12-82,487.68

Finding the Fourth Proportional to 142,925.04, 197,191.12 and 82,487.68

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Solution

The fourth proportional to 142,925.04, 197,191.12 and 82,487.68 is: 113,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,925.04 : 197,191.12 = 82,487.68 : x
  2. Step 2: Convert to fraction form
    142,925.04/197,191.12 = 82,487.68/x
  3. Step 3: Cross multiply
    142,925.04x = 197,191.12 × 82,487.68
  4. Step 4: Simplify right side
    142,925.04x = 16,265,838,005.40
  5. Step 5: Solve for x
    x = 16,265,838,005.40/142,925.04
  6. Step 6: Final answer
    x = 113,806.78

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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.