Home / 126,079.32-173,989.08-69,490.68

Finding the Fourth Proportional to 126,079.32, 173,989.08 and 69,490.68

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Solution

The fourth proportional to 126,079.32, 173,989.08 and 69,490.68 is: 95,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,079.32 : 173,989.08 = 69,490.68 : x
  2. Step 2: Convert to fraction form
    126,079.32/173,989.08 = 69,490.68/x
  3. Step 3: Cross multiply
    126,079.32x = 173,989.08 × 69,490.68
  4. Step 4: Simplify right side
    126,079.32x = 12,090,619,481.77
  5. Step 5: Solve for x
    x = 12,090,619,481.77/126,079.32
  6. Step 6: Final answer
    x = 95,896.93

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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.