Home / 99,946.18-149,960.81-43,757.35

Finding the Fourth Proportional to 99,946.18, 149,960.81 and 43,757.35

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Solution

The fourth proportional to 99,946.18, 149,960.81 and 43,757.35 is: 65,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,946.18 : 149,960.81 = 43,757.35 : x
  2. Step 2: Convert to fraction form
    99,946.18/149,960.81 = 43,757.35/x
  3. Step 3: Cross multiply
    99,946.18x = 149,960.81 × 43,757.35
  4. Step 4: Simplify right side
    99,946.18x = 6,561,887,649.45
  5. Step 5: Solve for x
    x = 6,561,887,649.45/99,946.18
  6. Step 6: Final answer
    x = 65,654.21

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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.