Home / 148,545.53-205,019.03-88,149.47

Finding the Fourth Proportional to 148,545.53, 205,019.03 and 88,149.47

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Solution

The fourth proportional to 148,545.53, 205,019.03 and 88,149.47 is: 121,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,545.53 : 205,019.03 = 88,149.47 : x
  2. Step 2: Convert to fraction form
    148,545.53/205,019.03 = 88,149.47/x
  3. Step 3: Cross multiply
    148,545.53x = 205,019.03 × 88,149.47
  4. Step 4: Simplify right side
    148,545.53x = 18,072,320,233.79
  5. Step 5: Solve for x
    x = 18,072,320,233.79/148,545.53
  6. Step 6: Final answer
    x = 121,661.82

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1.5x scale

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.