Home / 126,754.38-174,762.18-81,352.26

Finding the Fourth Proportional to 126,754.38, 174,762.18 and 81,352.26

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Solution

The fourth proportional to 126,754.38, 174,762.18 and 81,352.26 is: 112,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,754.38 : 174,762.18 = 81,352.26 : x
  2. Step 2: Convert to fraction form
    126,754.38/174,762.18 = 81,352.26/x
  3. Step 3: Cross multiply
    126,754.38x = 174,762.18 × 81,352.26
  4. Step 4: Simplify right side
    126,754.38x = 14,217,298,305.53
  5. Step 5: Solve for x
    x = 14,217,298,305.53/126,754.38
  6. Step 6: Final answer
    x = 112,164.16

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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.