Home / 148,934.04-205,545.18-85,292.76

Finding the Fourth Proportional to 148,934.04, 205,545.18 and 85,292.76

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Solution

The fourth proportional to 148,934.04, 205,545.18 and 85,292.76 is: 117,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,934.04 : 205,545.18 = 85,292.76 : x
  2. Step 2: Convert to fraction form
    148,934.04/205,545.18 = 85,292.76/x
  3. Step 3: Cross multiply
    148,934.04x = 205,545.18 × 85,292.76
  4. Step 4: Simplify right side
    148,934.04x = 17,531,515,706.90
  5. Step 5: Solve for x
    x = 17,531,515,706.90/148,934.04
  6. Step 6: Final answer
    x = 117,713.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.