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Finding the Fourth Proportional to 156,382.01, 234,484.13 and 61,560.84

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Solution

The fourth proportional to 156,382.01, 234,484.13 and 61,560.84 is: 92,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,382.01 : 234,484.13 = 61,560.84 : x
  2. Step 2: Convert to fraction form
    156,382.01/234,484.13 = 61,560.84/x
  3. Step 3: Cross multiply
    156,382.01x = 234,484.13 × 61,560.84
  4. Step 4: Simplify right side
    156,382.01x = 14,435,039,701.67
  5. Step 5: Solve for x
    x = 14,435,039,701.67/156,382.01
  6. Step 6: Final answer
    x = 92,306.27

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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.