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Finding the Fourth Proportional to 92,632.56, 138,934.32 and 29,444.40

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Solution

The fourth proportional to 92,632.56, 138,934.32 and 29,444.40 is: 44,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.56 : 138,934.32 = 29,444.40 : x
  2. Step 2: Convert to fraction form
    92,632.56/138,934.32 = 29,444.40/x
  3. Step 3: Cross multiply
    92,632.56x = 138,934.32 × 29,444.40
  4. Step 4: Simplify right side
    92,632.56x = 4,090,837,691.81
  5. Step 5: Solve for x
    x = 4,090,837,691.81/92,632.56
  6. Step 6: Final answer
    x = 44,161.98

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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.