Home / 99,312.31-148,921.82-36,087.85

Finding the Fourth Proportional to 99,312.31, 148,921.82 and 36,087.85

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Solution

The fourth proportional to 99,312.31, 148,921.82 and 36,087.85 is: 54,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312.31 : 148,921.82 = 36,087.85 : x
  2. Step 2: Convert to fraction form
    99,312.31/148,921.82 = 36,087.85/x
  3. Step 3: Cross multiply
    99,312.31x = 148,921.82 × 36,087.85
  4. Step 4: Simplify right side
    99,312.31x = 5,374,267,808.24
  5. Step 5: Solve for x
    x = 5,374,267,808.24/99,312.31
  6. Step 6: Final answer
    x = 54,114.82

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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.