Home / 90,799.22-125,306.98-75,666.54

Finding the Fourth Proportional to 90,799.22, 125,306.98 and 75,666.54

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Solution

The fourth proportional to 90,799.22, 125,306.98 and 75,666.54 is: 104,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,799.22 : 125,306.98 = 75,666.54 : x
  2. Step 2: Convert to fraction form
    90,799.22/125,306.98 = 75,666.54/x
  3. Step 3: Cross multiply
    90,799.22x = 125,306.98 × 75,666.54
  4. Step 4: Simplify right side
    90,799.22x = 9,481,545,614.45
  5. Step 5: Solve for x
    x = 9,481,545,614.45/90,799.22
  6. Step 6: Final answer
    x = 104,423.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.