Home / 228,158.30-342,260.92-86,123.22

Finding the Fourth Proportional to 228,158.30, 342,260.92 and 86,123.22

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Solution

The fourth proportional to 228,158.30, 342,260.92 and 86,123.22 is: 129,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,158.30 : 342,260.92 = 86,123.22 : x
  2. Step 2: Convert to fraction form
    228,158.30/342,260.92 = 86,123.22/x
  3. Step 3: Cross multiply
    228,158.30x = 342,260.92 × 86,123.22
  4. Step 4: Simplify right side
    228,158.30x = 29,476,612,510.56
  5. Step 5: Solve for x
    x = 29,476,612,510.56/228,158.30
  6. Step 6: Final answer
    x = 129,193.69

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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.