Home / 126,765.80-174,935.70-70,175.72

Finding the Fourth Proportional to 126,765.80, 174,935.70 and 70,175.72

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Solution

The fourth proportional to 126,765.80, 174,935.70 and 70,175.72 is: 96,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765.80 : 174,935.70 = 70,175.72 : x
  2. Step 2: Convert to fraction form
    126,765.80/174,935.70 = 70,175.72/x
  3. Step 3: Cross multiply
    126,765.80x = 174,935.70 × 70,175.72
  4. Step 4: Simplify right side
    126,765.80x = 12,276,238,701.20
  5. Step 5: Solve for x
    x = 12,276,238,701.20/126,765.80
  6. Step 6: Final answer
    x = 96,841.88

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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.