Home / 126,355.52-174,397.92-86,165.22

Finding the Fourth Proportional to 126,355.52, 174,397.92 and 86,165.22

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Solution

The fourth proportional to 126,355.52, 174,397.92 and 86,165.22 is: 118,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.52 : 174,397.92 = 86,165.22 : x
  2. Step 2: Convert to fraction form
    126,355.52/174,397.92 = 86,165.22/x
  3. Step 3: Cross multiply
    126,355.52x = 174,397.92 × 86,165.22
  4. Step 4: Simplify right side
    126,355.52x = 15,027,035,144.34
  5. Step 5: Solve for x
    x = 15,027,035,144.34/126,355.52
  6. Step 6: Final answer
    x = 118,926.62

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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.