Home / 99,014.38-148,560.45-43,571.50

Finding the Fourth Proportional to 99,014.38, 148,560.45 and 43,571.50

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Solution

The fourth proportional to 99,014.38, 148,560.45 and 43,571.50 is: 65,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,014.38 : 148,560.45 = 43,571.50 : x
  2. Step 2: Convert to fraction form
    99,014.38/148,560.45 = 43,571.50/x
  3. Step 3: Cross multiply
    99,014.38x = 148,560.45 × 43,571.50
  4. Step 4: Simplify right side
    99,014.38x = 6,473,001,647.18
  5. Step 5: Solve for x
    x = 6,473,001,647.18/99,014.38
  6. Step 6: Final answer
    x = 65,374.36

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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.