Home / 181,844.10-272,766.15-115,359.30

Finding the Fourth Proportional to 181,844.10, 272,766.15 and 115,359.30

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Solution

The fourth proportional to 181,844.10, 272,766.15 and 115,359.30 is: 173,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,844.10 : 272,766.15 = 115,359.30 : x
  2. Step 2: Convert to fraction form
    181,844.10/272,766.15 = 115,359.30/x
  3. Step 3: Cross multiply
    181,844.10x = 272,766.15 × 115,359.30
  4. Step 4: Simplify right side
    181,844.10x = 31,466,112,127.70
  5. Step 5: Solve for x
    x = 31,466,112,127.70/181,844.10
  6. Step 6: Final answer
    x = 173,038.95

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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.