Home / 96,279.42-144,490.11-45,678.66

Finding the Fourth Proportional to 96,279.42, 144,490.11 and 45,678.66

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Solution

The fourth proportional to 96,279.42, 144,490.11 and 45,678.66 is: 68,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.42 : 144,490.11 = 45,678.66 : x
  2. Step 2: Convert to fraction form
    96,279.42/144,490.11 = 45,678.66/x
  3. Step 3: Cross multiply
    96,279.42x = 144,490.11 × 45,678.66
  4. Step 4: Simplify right side
    96,279.42x = 6,600,114,608.05
  5. Step 5: Solve for x
    x = 6,600,114,608.05/96,279.42
  6. Step 6: Final answer
    x = 68,551.67

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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.