Home / 109,613.67-151,292.14-64,306.21

Finding the Fourth Proportional to 109,613.67, 151,292.14 and 64,306.21

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Solution

The fourth proportional to 109,613.67, 151,292.14 and 64,306.21 is: 88,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,613.67 : 151,292.14 = 64,306.21 : x
  2. Step 2: Convert to fraction form
    109,613.67/151,292.14 = 64,306.21/x
  3. Step 3: Cross multiply
    109,613.67x = 151,292.14 × 64,306.21
  4. Step 4: Simplify right side
    109,613.67x = 9,729,024,126.19
  5. Step 5: Solve for x
    x = 9,729,024,126.19/109,613.67
  6. Step 6: Final answer
    x = 88,757.40

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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.