Home / 148,494.16-222,209.14-128,572.38

Finding the Fourth Proportional to 148,494.16, 222,209.14 and 128,572.38

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Solution

The fourth proportional to 148,494.16, 222,209.14 and 128,572.38 is: 192,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,494.16 : 222,209.14 = 128,572.38 : x
  2. Step 2: Convert to fraction form
    148,494.16/222,209.14 = 128,572.38/x
  3. Step 3: Cross multiply
    148,494.16x = 222,209.14 × 128,572.38
  4. Step 4: Simplify right side
    148,494.16x = 28,569,958,647.13
  5. Step 5: Solve for x
    x = 28,569,958,647.13/148,494.16
  6. Step 6: Final answer
    x = 192,397.86

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1.5x scale

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.