Home / 99,993.24-138,000.30-59,706.69

Finding the Fourth Proportional to 99,993.24, 138,000.30 and 59,706.69

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Solution

The fourth proportional to 99,993.24, 138,000.30 and 59,706.69 is: 82,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,993.24 : 138,000.30 = 59,706.69 : x
  2. Step 2: Convert to fraction form
    99,993.24/138,000.30 = 59,706.69/x
  3. Step 3: Cross multiply
    99,993.24x = 138,000.30 × 59,706.69
  4. Step 4: Simplify right side
    99,993.24x = 8,239,541,132.01
  5. Step 5: Solve for x
    x = 8,239,541,132.01/99,993.24
  6. Step 6: Final answer
    x = 82,400.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.