Home / 99,938.97-149,865.77-57,848.11

Finding the Fourth Proportional to 99,938.97, 149,865.77 and 57,848.11

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Solution

The fourth proportional to 99,938.97, 149,865.77 and 57,848.11 is: 86,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,938.97 : 149,865.77 = 57,848.11 : x
  2. Step 2: Convert to fraction form
    99,938.97/149,865.77 = 57,848.11/x
  3. Step 3: Cross multiply
    99,938.97x = 149,865.77 × 57,848.11
  4. Step 4: Simplify right side
    99,938.97x = 8,669,451,318.15
  5. Step 5: Solve for x
    x = 8,669,451,318.15/99,938.97
  6. Step 6: Final answer
    x = 86,747.46

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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.