Home / 133,049.88-183,545.16-90,044.40

Finding the Fourth Proportional to 133,049.88, 183,545.16 and 90,044.40

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Solution

The fourth proportional to 133,049.88, 183,545.16 and 90,044.40 is: 124,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,049.88 : 183,545.16 = 90,044.40 : x
  2. Step 2: Convert to fraction form
    133,049.88/183,545.16 = 90,044.40/x
  3. Step 3: Cross multiply
    133,049.88x = 183,545.16 × 90,044.40
  4. Step 4: Simplify right side
    133,049.88x = 16,527,213,805.10
  5. Step 5: Solve for x
    x = 16,527,213,805.10/133,049.88
  6. Step 6: Final answer
    x = 124,218.18

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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.