Home / 92,681.08-139,000.29-55,251.70

Finding the Fourth Proportional to 92,681.08, 139,000.29 and 55,251.70

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Solution

The fourth proportional to 92,681.08, 139,000.29 and 55,251.70 is: 82,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.08 : 139,000.29 = 55,251.70 : x
  2. Step 2: Convert to fraction form
    92,681.08/139,000.29 = 55,251.70/x
  3. Step 3: Cross multiply
    92,681.08x = 139,000.29 × 55,251.70
  4. Step 4: Simplify right side
    92,681.08x = 7,680,002,322.99
  5. Step 5: Solve for x
    x = 7,680,002,322.99/92,681.08
  6. Step 6: Final answer
    x = 82,864.83

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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.