Home / 99,663.72-149,535.39-40,504.02

Finding the Fourth Proportional to 99,663.72, 149,535.39 and 40,504.02

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Solution

The fourth proportional to 99,663.72, 149,535.39 and 40,504.02 is: 60,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.72 : 149,535.39 = 40,504.02 : x
  2. Step 2: Convert to fraction form
    99,663.72/149,535.39 = 40,504.02/x
  3. Step 3: Cross multiply
    99,663.72x = 149,535.39 × 40,504.02
  4. Step 4: Simplify right side
    99,663.72x = 6,056,784,427.27
  5. Step 5: Solve for x
    x = 6,056,784,427.27/99,663.72
  6. Step 6: Final answer
    x = 60,772.21

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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.