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Finding the Fourth Proportional to 159,491.25, 239,228.93 and 59,644.11

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Solution

The fourth proportional to 159,491.25, 239,228.93 and 59,644.11 is: 89,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,491.25 : 239,228.93 = 59,644.11 : x
  2. Step 2: Convert to fraction form
    159,491.25/239,228.93 = 59,644.11/x
  3. Step 3: Cross multiply
    159,491.25x = 239,228.93 × 59,644.11
  4. Step 4: Simplify right side
    159,491.25x = 14,268,596,616.10
  5. Step 5: Solve for x
    x = 14,268,596,616.10/159,491.25
  6. Step 6: Final answer
    x = 89,463.19

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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.