Home / 96,747.40-144,926.70-55,145.80

Finding the Fourth Proportional to 96,747.40, 144,926.70 and 55,145.80

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Solution

The fourth proportional to 96,747.40, 144,926.70 and 55,145.80 is: 82,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,747.40 : 144,926.70 = 55,145.80 : x
  2. Step 2: Convert to fraction form
    96,747.40/144,926.70 = 55,145.80/x
  3. Step 3: Cross multiply
    96,747.40x = 144,926.70 × 55,145.80
  4. Step 4: Simplify right side
    96,747.40x = 7,992,098,812.86
  5. Step 5: Solve for x
    x = 7,992,098,812.86/96,747.40
  6. Step 6: Final answer
    x = 82,607.89

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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.