Home / 107,775.20-148,729.82-62,479.45

Finding the Fourth Proportional to 107,775.20, 148,729.82 and 62,479.45

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Solution

The fourth proportional to 107,775.20, 148,729.82 and 62,479.45 is: 86,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,775.20 : 148,729.82 = 62,479.45 : x
  2. Step 2: Convert to fraction form
    107,775.20/148,729.82 = 62,479.45/x
  3. Step 3: Cross multiply
    107,775.20x = 148,729.82 × 62,479.45
  4. Step 4: Simplify right side
    107,775.20x = 9,292,556,857.70
  5. Step 5: Solve for x
    x = 9,292,556,857.70/107,775.20
  6. Step 6: Final answer
    x = 86,221.66

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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.