Home / 126,939.50-175,176.51-70,354.52

Finding the Fourth Proportional to 126,939.50, 175,176.51 and 70,354.52

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Solution

The fourth proportional to 126,939.50, 175,176.51 and 70,354.52 is: 97,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,939.50 : 175,176.51 = 70,354.52 : x
  2. Step 2: Convert to fraction form
    126,939.50/175,176.51 = 70,354.52/x
  3. Step 3: Cross multiply
    126,939.50x = 175,176.51 × 70,354.52
  4. Step 4: Simplify right side
    126,939.50x = 12,324,459,276.33
  5. Step 5: Solve for x
    x = 12,324,459,276.33/126,939.50
  6. Step 6: Final answer
    x = 97,089.24

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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.