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Finding the Fourth Proportional to 110,421.54, 152,378.03 and 65,098.71

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Solution

The fourth proportional to 110,421.54, 152,378.03 and 65,098.71 is: 89,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.54 : 152,378.03 = 65,098.71 : x
  2. Step 2: Convert to fraction form
    110,421.54/152,378.03 = 65,098.71/x
  3. Step 3: Cross multiply
    110,421.54x = 152,378.03 × 65,098.71
  4. Step 4: Simplify right side
    110,421.54x = 9,919,613,348.09
  5. Step 5: Solve for x
    x = 9,919,613,348.09/110,421.54
  6. Step 6: Final answer
    x = 89,834.04

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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.