Home / 181,425.40-272,195.50-81,594.31

Finding the Fourth Proportional to 181,425.40, 272,195.50 and 81,594.31

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Solution

The fourth proportional to 181,425.40, 272,195.50 and 81,594.31 is: 122,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,425.40 : 272,195.50 = 81,594.31 : x
  2. Step 2: Convert to fraction form
    181,425.40/272,195.50 = 81,594.31/x
  3. Step 3: Cross multiply
    181,425.40x = 272,195.50 × 81,594.31
  4. Step 4: Simplify right side
    181,425.40x = 22,209,604,007.61
  5. Step 5: Solve for x
    x = 22,209,604,007.61/181,425.40
  6. Step 6: Final answer
    x = 122,417.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.