Home / 148,159.86-221,981.13-123,359.46

Finding the Fourth Proportional to 148,159.86, 221,981.13 and 123,359.46

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Solution

The fourth proportional to 148,159.86, 221,981.13 and 123,359.46 is: 184,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,159.86 : 221,981.13 = 123,359.46 : x
  2. Step 2: Convert to fraction form
    148,159.86/221,981.13 = 123,359.46/x
  3. Step 3: Cross multiply
    148,159.86x = 221,981.13 × 123,359.46
  4. Step 4: Simplify right side
    148,159.86x = 27,383,472,326.99
  5. Step 5: Solve for x
    x = 27,383,472,326.99/148,159.86
  6. Step 6: Final answer
    x = 184,823.83

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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.