Home / 99,814.10-149,721.15-97,845.80

Finding the Fourth Proportional to 99,814.10, 149,721.15 and 97,845.80

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Solution

The fourth proportional to 99,814.10, 149,721.15 and 97,845.80 is: 146,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,814.10 : 149,721.15 = 97,845.80 : x
  2. Step 2: Convert to fraction form
    99,814.10/149,721.15 = 97,845.80/x
  3. Step 3: Cross multiply
    99,814.10x = 149,721.15 × 97,845.80
  4. Step 4: Simplify right side
    99,814.10x = 14,649,585,698.67
  5. Step 5: Solve for x
    x = 14,649,585,698.67/99,814.10
  6. Step 6: Final answer
    x = 146,768.70

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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.