Home / 99,543.33-149,240.88-43,372.80

Finding the Fourth Proportional to 99,543.33, 149,240.88 and 43,372.80

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Solution

The fourth proportional to 99,543.33, 149,240.88 and 43,372.80 is: 65,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543.33 : 149,240.88 = 43,372.80 : x
  2. Step 2: Convert to fraction form
    99,543.33/149,240.88 = 43,372.80/x
  3. Step 3: Cross multiply
    99,543.33x = 149,240.88 × 43,372.80
  4. Step 4: Simplify right side
    99,543.33x = 6,472,994,840.06
  5. Step 5: Solve for x
    x = 6,472,994,840.06/99,543.33
  6. Step 6: Final answer
    x = 65,026.91

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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.