Home / 126,988.46-175,244.31-70,399.83

Finding the Fourth Proportional to 126,988.46, 175,244.31 and 70,399.83

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Solution

The fourth proportional to 126,988.46, 175,244.31 and 70,399.83 is: 97,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,988.46 : 175,244.31 = 70,399.83 : x
  2. Step 2: Convert to fraction form
    126,988.46/175,244.31 = 70,399.83/x
  3. Step 3: Cross multiply
    126,988.46x = 175,244.31 × 70,399.83
  4. Step 4: Simplify right side
    126,988.46x = 12,337,170,289.63
  5. Step 5: Solve for x
    x = 12,337,170,289.63/126,988.46
  6. Step 6: Final answer
    x = 97,151.90

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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.