Home / 148,557.76-204,943.29-88,130.95

Finding the Fourth Proportional to 148,557.76, 204,943.29 and 88,130.95

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Solution

The fourth proportional to 148,557.76, 204,943.29 and 88,130.95 is: 121,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,557.76 : 204,943.29 = 88,130.95 : x
  2. Step 2: Convert to fraction form
    148,557.76/204,943.29 = 88,130.95/x
  3. Step 3: Cross multiply
    148,557.76x = 204,943.29 × 88,130.95
  4. Step 4: Simplify right side
    148,557.76x = 18,061,846,843.83
  5. Step 5: Solve for x
    x = 18,061,846,843.83/148,557.76
  6. Step 6: Final answer
    x = 121,581.31

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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.