Home / 126,535.89-174,621.60-75,553.08

Finding the Fourth Proportional to 126,535.89, 174,621.60 and 75,553.08

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Solution

The fourth proportional to 126,535.89, 174,621.60 and 75,553.08 is: 104,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,535.89 : 174,621.60 = 75,553.08 : x
  2. Step 2: Convert to fraction form
    126,535.89/174,621.60 = 75,553.08/x
  3. Step 3: Cross multiply
    126,535.89x = 174,621.60 × 75,553.08
  4. Step 4: Simplify right side
    126,535.89x = 13,193,198,841.42
  5. Step 5: Solve for x
    x = 13,193,198,841.42/126,535.89
  6. Step 6: Final answer
    x = 104,264.48

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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.