Home / 160,046.20-240,219.92-81,217

Finding the Fourth Proportional to 160,046.20, 240,219.92 and 81,217

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Solution

The fourth proportional to 160,046.20, 240,219.92 and 81,217 is: 121,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,046.20 : 240,219.92 = 81,217 : x
  2. Step 2: Convert to fraction form
    160,046.20/240,219.92 = 81,217/x
  3. Step 3: Cross multiply
    160,046.20x = 240,219.92 × 81,217
  4. Step 4: Simplify right side
    160,046.20x = 19,509,941,242.64
  5. Step 5: Solve for x
    x = 19,509,941,242.64/160,046.20
  6. Step 6: Final answer
    x = 121,901.93

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1.5x scale

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.