Home / 84,162.16-126,122.92-61,800.08

Finding the Fourth Proportional to 84,162.16, 126,122.92 and 61,800.08

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Solution

The fourth proportional to 84,162.16, 126,122.92 and 61,800.08 is: 92,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,162.16 : 126,122.92 = 61,800.08 : x
  2. Step 2: Convert to fraction form
    84,162.16/126,122.92 = 61,800.08/x
  3. Step 3: Cross multiply
    84,162.16x = 126,122.92 × 61,800.08
  4. Step 4: Simplify right side
    84,162.16x = 7,794,406,545.83
  5. Step 5: Solve for x
    x = 7,794,406,545.83/84,162.16
  6. Step 6: Final answer
    x = 92,611.77

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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.