Home / 159,558.27-239,512.43-66,129.63

Finding the Fourth Proportional to 159,558.27, 239,512.43 and 66,129.63

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Solution

The fourth proportional to 159,558.27, 239,512.43 and 66,129.63 is: 99,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,558.27 : 239,512.43 = 66,129.63 : x
  2. Step 2: Convert to fraction form
    159,558.27/239,512.43 = 66,129.63/x
  3. Step 3: Cross multiply
    159,558.27x = 239,512.43 × 66,129.63
  4. Step 4: Simplify right side
    159,558.27x = 15,838,868,045.65
  5. Step 5: Solve for x
    x = 15,838,868,045.65/159,558.27
  6. Step 6: Final answer
    x = 99,266.98

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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.