Home / 99,738.60-149,605.02-29,617.80

Finding the Fourth Proportional to 99,738.60, 149,605.02 and 29,617.80

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Solution

The fourth proportional to 99,738.60, 149,605.02 and 29,617.80 is: 44,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.60 : 149,605.02 = 29,617.80 : x
  2. Step 2: Convert to fraction form
    99,738.60/149,605.02 = 29,617.80/x
  3. Step 3: Cross multiply
    99,738.60x = 149,605.02 × 29,617.80
  4. Step 4: Simplify right side
    99,738.60x = 4,430,971,561.36
  5. Step 5: Solve for x
    x = 4,430,971,561.36/99,738.60
  6. Step 6: Final answer
    x = 44,425.84

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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.