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Finding the Fourth Proportional to 160,864.57, 241,299.69 and 55,686.88

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Solution

The fourth proportional to 160,864.57, 241,299.69 and 55,686.88 is: 83,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,864.57 : 241,299.69 = 55,686.88 : x
  2. Step 2: Convert to fraction form
    160,864.57/241,299.69 = 55,686.88/x
  3. Step 3: Cross multiply
    160,864.57x = 241,299.69 × 55,686.88
  4. Step 4: Simplify right side
    160,864.57x = 13,437,226,881.07
  5. Step 5: Solve for x
    x = 13,437,226,881.07/160,864.57
  6. Step 6: Final answer
    x = 83,531.30

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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.