Home / 96,280.45-144,147.30-91,043.80

Finding the Fourth Proportional to 96,280.45, 144,147.30 and 91,043.80

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Solution

The fourth proportional to 96,280.45, 144,147.30 and 91,043.80 is: 136,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,280.45 : 144,147.30 = 91,043.80 : x
  2. Step 2: Convert to fraction form
    96,280.45/144,147.30 = 91,043.80/x
  3. Step 3: Cross multiply
    96,280.45x = 144,147.30 × 91,043.80
  4. Step 4: Simplify right side
    96,280.45x = 13,123,717,951.74
  5. Step 5: Solve for x
    x = 13,123,717,951.74/96,280.45
  6. Step 6: Final answer
    x = 136,307.19

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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.