Home / 108,152.60-149,217.92-62,821.76

Finding the Fourth Proportional to 108,152.60, 149,217.92 and 62,821.76

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Solution

The fourth proportional to 108,152.60, 149,217.92 and 62,821.76 is: 86,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,152.60 : 149,217.92 = 62,821.76 : x
  2. Step 2: Convert to fraction form
    108,152.60/149,217.92 = 62,821.76/x
  3. Step 3: Cross multiply
    108,152.60x = 149,217.92 × 62,821.76
  4. Step 4: Simplify right side
    108,152.60x = 9,374,132,357.94
  5. Step 5: Solve for x
    x = 9,374,132,357.94/108,152.60
  6. Step 6: Final answer
    x = 86,675.05

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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.