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Finding the Fourth Proportional to 92,887.88, 139,337.12 and 29,713.56

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Solution

The fourth proportional to 92,887.88, 139,337.12 and 29,713.56 is: 44,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,887.88 : 139,337.12 = 29,713.56 : x
  2. Step 2: Convert to fraction form
    92,887.88/139,337.12 = 29,713.56/x
  3. Step 3: Cross multiply
    92,887.88x = 139,337.12 × 29,713.56
  4. Step 4: Simplify right side
    92,887.88x = 4,140,201,875.35
  5. Step 5: Solve for x
    x = 4,140,201,875.35/92,887.88
  6. Step 6: Final answer
    x = 44,572.04

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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.