Home / 148,069.88-204,341.36-81,001.88

Finding the Fourth Proportional to 148,069.88, 204,341.36 and 81,001.88

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Solution

The fourth proportional to 148,069.88, 204,341.36 and 81,001.88 is: 111,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,069.88 : 204,341.36 = 81,001.88 : x
  2. Step 2: Convert to fraction form
    148,069.88/204,341.36 = 81,001.88/x
  3. Step 3: Cross multiply
    148,069.88x = 204,341.36 × 81,001.88
  4. Step 4: Simplify right side
    148,069.88x = 16,552,034,321.76
  5. Step 5: Solve for x
    x = 16,552,034,321.76/148,069.88
  6. Step 6: Final answer
    x = 111,785.29

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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.