Home / 126,929.43-175,162.62-70,340.82

Finding the Fourth Proportional to 126,929.43, 175,162.62 and 70,340.82

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Solution

The fourth proportional to 126,929.43, 175,162.62 and 70,340.82 is: 97,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.43 : 175,162.62 = 70,340.82 : x
  2. Step 2: Convert to fraction form
    126,929.43/175,162.62 = 70,340.82/x
  3. Step 3: Cross multiply
    126,929.43x = 175,162.62 × 70,340.82
  4. Step 4: Simplify right side
    126,929.43x = 12,321,082,324.15
  5. Step 5: Solve for x
    x = 12,321,082,324.15/126,929.43
  6. Step 6: Final answer
    x = 97,070.34

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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.