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Finding the Fourth Proportional to 92,646.67, 138,968.53 and 29,465.88

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Solution

The fourth proportional to 92,646.67, 138,968.53 and 29,465.88 is: 44,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,646.67 : 138,968.53 = 29,465.88 : x
  2. Step 2: Convert to fraction form
    92,646.67/138,968.53 = 29,465.88/x
  3. Step 3: Cross multiply
    92,646.67x = 138,968.53 × 29,465.88
  4. Step 4: Simplify right side
    92,646.67x = 4,094,829,333.91
  5. Step 5: Solve for x
    x = 4,094,829,333.91/92,646.67
  6. Step 6: Final answer
    x = 44,198.35

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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.