Home / 108,781.96-163,221.89-58,803.55

Finding the Fourth Proportional to 108,781.96, 163,221.89 and 58,803.55

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Solution

The fourth proportional to 108,781.96, 163,221.89 and 58,803.55 is: 88,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,781.96 : 163,221.89 = 58,803.55 : x
  2. Step 2: Convert to fraction form
    108,781.96/163,221.89 = 58,803.55/x
  3. Step 3: Cross multiply
    108,781.96x = 163,221.89 × 58,803.55
  4. Step 4: Simplify right side
    108,781.96x = 9,598,026,569.71
  5. Step 5: Solve for x
    x = 9,598,026,569.71/108,781.96
  6. Step 6: Final answer
    x = 88,231.79

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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.