Home / 126,985.28-175,108.92-88,730.89

Finding the Fourth Proportional to 126,985.28, 175,108.92 and 88,730.89

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Solution

The fourth proportional to 126,985.28, 175,108.92 and 88,730.89 is: 122,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.28 : 175,108.92 = 88,730.89 : x
  2. Step 2: Convert to fraction form
    126,985.28/175,108.92 = 88,730.89/x
  3. Step 3: Cross multiply
    126,985.28x = 175,108.92 × 88,730.89
  4. Step 4: Simplify right side
    126,985.28x = 15,537,569,548.03
  5. Step 5: Solve for x
    x = 15,537,569,548.03/126,985.28
  6. Step 6: Final answer
    x = 122,357.25

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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.