Home / 96,279.45-144,145.80-91,042.80

Finding the Fourth Proportional to 96,279.45, 144,145.80 and 91,042.80

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Solution

The fourth proportional to 96,279.45, 144,145.80 and 91,042.80 is: 136,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,279.45 : 144,145.80 = 91,042.80 : x
  2. Step 2: Convert to fraction form
    96,279.45/144,145.80 = 91,042.80/x
  3. Step 3: Cross multiply
    96,279.45x = 144,145.80 × 91,042.80
  4. Step 4: Simplify right side
    96,279.45x = 13,123,437,240.24
  5. Step 5: Solve for x
    x = 13,123,437,240.24/96,279.45
  6. Step 6: Final answer
    x = 136,305.69

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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.