Home / 96,279.55-144,490.30-45,678.78

Finding the Fourth Proportional to 96,279.55, 144,490.30 and 45,678.78

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Solution

The fourth proportional to 96,279.55, 144,490.30 and 45,678.78 is: 68,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.55 : 144,490.30 = 45,678.78 : x
  2. Step 2: Convert to fraction form
    96,279.55/144,490.30 = 45,678.78/x
  3. Step 3: Cross multiply
    96,279.55x = 144,490.30 × 45,678.78
  4. Step 4: Simplify right side
    96,279.55x = 6,600,140,511.64
  5. Step 5: Solve for x
    x = 6,600,140,511.64/96,279.55
  6. Step 6: Final answer
    x = 68,551.84

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1.5x scale

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.