Home / 218,960.11-328,282.54-134,545.87

Finding the Fourth Proportional to 218,960.11, 328,282.54 and 134,545.87

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Solution

The fourth proportional to 218,960.11, 328,282.54 and 134,545.87 is: 201,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,960.11 : 328,282.54 = 134,545.87 : x
  2. Step 2: Convert to fraction form
    218,960.11/328,282.54 = 134,545.87/x
  3. Step 3: Cross multiply
    218,960.11x = 328,282.54 × 134,545.87
  4. Step 4: Simplify right side
    218,960.11x = 44,169,060,024.10
  5. Step 5: Solve for x
    x = 44,169,060,024.10/218,960.11
  6. Step 6: Final answer
    x = 201,721.95

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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.