Home / 160,188.96-240,382.26-81,359.76

Finding the Fourth Proportional to 160,188.96, 240,382.26 and 81,359.76

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Solution

The fourth proportional to 160,188.96, 240,382.26 and 81,359.76 is: 122,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.96 : 240,382.26 = 81,359.76 : x
  2. Step 2: Convert to fraction form
    160,188.96/240,382.26 = 81,359.76/x
  3. Step 3: Cross multiply
    160,188.96x = 240,382.26 × 81,359.76
  4. Step 4: Simplify right side
    160,188.96x = 19,557,442,981.86
  5. Step 5: Solve for x
    x = 19,557,442,981.86/160,188.96
  6. Step 6: Final answer
    x = 122,089.83

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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.