Home / 126,468.48-174,562.92-83,479.38

Finding the Fourth Proportional to 126,468.48, 174,562.92 and 83,479.38

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Solution

The fourth proportional to 126,468.48, 174,562.92 and 83,479.38 is: 115,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468.48 : 174,562.92 = 83,479.38 : x
  2. Step 2: Convert to fraction form
    126,468.48/174,562.92 = 83,479.38/x
  3. Step 3: Cross multiply
    126,468.48x = 174,562.92 × 83,479.38
  4. Step 4: Simplify right side
    126,468.48x = 14,572,404,332.59
  5. Step 5: Solve for x
    x = 14,572,404,332.59/126,468.48
  6. Step 6: Final answer
    x = 115,225.58

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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.