Home / 181,695.40-272,705.10-106,721.80

Finding the Fourth Proportional to 181,695.40, 272,705.10 and 106,721.80

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Solution

The fourth proportional to 181,695.40, 272,705.10 and 106,721.80 is: 160,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,695.40 : 272,705.10 = 106,721.80 : x
  2. Step 2: Convert to fraction form
    181,695.40/272,705.10 = 106,721.80/x
  3. Step 3: Cross multiply
    181,695.40x = 272,705.10 × 106,721.80
  4. Step 4: Simplify right side
    181,695.40x = 29,103,579,141.18
  5. Step 5: Solve for x
    x = 29,103,579,141.18/181,695.40
  6. Step 6: Final answer
    x = 160,177.85

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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.