Home / 181,747.15-250,470.05-130,671.36

Finding the Fourth Proportional to 181,747.15, 250,470.05 and 130,671.36

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Solution

The fourth proportional to 181,747.15, 250,470.05 and 130,671.36 is: 180,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,747.15 : 250,470.05 = 130,671.36 : x
  2. Step 2: Convert to fraction form
    181,747.15/250,470.05 = 130,671.36/x
  3. Step 3: Cross multiply
    181,747.15x = 250,470.05 × 130,671.36
  4. Step 4: Simplify right side
    181,747.15x = 32,729,261,419.41
  5. Step 5: Solve for x
    x = 32,729,261,419.41/181,747.15
  6. Step 6: Final answer
    x = 180,081.29

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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.