Home / 99,693.18-137,541.85-63,902.93

Finding the Fourth Proportional to 99,693.18, 137,541.85 and 63,902.93

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Solution

The fourth proportional to 99,693.18, 137,541.85 and 63,902.93 is: 88,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,693.18 : 137,541.85 = 63,902.93 : x
  2. Step 2: Convert to fraction form
    99,693.18/137,541.85 = 63,902.93/x
  3. Step 3: Cross multiply
    99,693.18x = 137,541.85 × 63,902.93
  4. Step 4: Simplify right side
    99,693.18x = 8,789,326,365.15
  5. Step 5: Solve for x
    x = 8,789,326,365.15/99,693.18
  6. Step 6: Final answer
    x = 88,163.77

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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.