Home / 103,631.90-154,691.22-88,935.26

Finding the Fourth Proportional to 103,631.90, 154,691.22 and 88,935.26

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Solution

The fourth proportional to 103,631.90, 154,691.22 and 88,935.26 is: 132,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.90 : 154,691.22 = 88,935.26 : x
  2. Step 2: Convert to fraction form
    103,631.90/154,691.22 = 88,935.26/x
  3. Step 3: Cross multiply
    103,631.90x = 154,691.22 × 88,935.26
  4. Step 4: Simplify right side
    103,631.90x = 13,757,503,870.42
  5. Step 5: Solve for x
    x = 13,757,503,870.42/103,631.90
  6. Step 6: Final answer
    x = 132,753.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.