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Finding the Fourth Proportional to 159,963.04, 220,615.41 and 119,772.46

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Solution

The fourth proportional to 159,963.04, 220,615.41 and 119,772.46 is: 165,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,963.04 : 220,615.41 = 119,772.46 : x
  2. Step 2: Convert to fraction form
    159,963.04/220,615.41 = 119,772.46/x
  3. Step 3: Cross multiply
    159,963.04x = 220,615.41 × 119,772.46
  4. Step 4: Simplify right side
    159,963.04x = 26,423,650,369.61
  5. Step 5: Solve for x
    x = 26,423,650,369.61/159,963.04
  6. Step 6: Final answer
    x = 165,185.97

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1.5x scale

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.