Home / 148,545.74-205,019.31-88,149.68

Finding the Fourth Proportional to 148,545.74, 205,019.31 and 88,149.68

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Solution

The fourth proportional to 148,545.74, 205,019.31 and 88,149.68 is: 121,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,545.74 : 205,019.31 = 88,149.68 : x
  2. Step 2: Convert to fraction form
    148,545.74/205,019.31 = 88,149.68/x
  3. Step 3: Cross multiply
    148,545.74x = 205,019.31 × 88,149.68
  4. Step 4: Simplify right side
    148,545.74x = 18,072,385,545.22
  5. Step 5: Solve for x
    x = 18,072,385,545.22/148,545.74
  6. Step 6: Final answer
    x = 121,662.10

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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.