Home / 112,892.72-169,006.88-75,359.70

Finding the Fourth Proportional to 112,892.72, 169,006.88 and 75,359.70

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Solution

The fourth proportional to 112,892.72, 169,006.88 and 75,359.70 is: 112,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,892.72 : 169,006.88 = 75,359.70 : x
  2. Step 2: Convert to fraction form
    112,892.72/169,006.88 = 75,359.70/x
  3. Step 3: Cross multiply
    112,892.72x = 169,006.88 × 75,359.70
  4. Step 4: Simplify right side
    112,892.72x = 12,736,307,397.94
  5. Step 5: Solve for x
    x = 12,736,307,397.94/112,892.72
  6. Step 6: Final answer
    x = 112,817.80

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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.