Home / 99,811.10-149,716.65-97,842.80

Finding the Fourth Proportional to 99,811.10, 149,716.65 and 97,842.80

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Solution

The fourth proportional to 99,811.10, 149,716.65 and 97,842.80 is: 146,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811.10 : 149,716.65 = 97,842.80 : x
  2. Step 2: Convert to fraction form
    99,811.10/149,716.65 = 97,842.80/x
  3. Step 3: Cross multiply
    99,811.10x = 149,716.65 × 97,842.80
  4. Step 4: Simplify right side
    99,811.10x = 14,648,696,242.62
  5. Step 5: Solve for x
    x = 14,648,696,242.62/99,811.10
  6. Step 6: Final answer
    x = 146,764.20

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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.