Home / 107,969.28-148,994.40-60,221.55

Finding the Fourth Proportional to 107,969.28, 148,994.40 and 60,221.55

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Solution

The fourth proportional to 107,969.28, 148,994.40 and 60,221.55 is: 83,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,969.28 : 148,994.40 = 60,221.55 : x
  2. Step 2: Convert to fraction form
    107,969.28/148,994.40 = 60,221.55/x
  3. Step 3: Cross multiply
    107,969.28x = 148,994.40 × 60,221.55
  4. Step 4: Simplify right side
    107,969.28x = 8,972,673,709.32
  5. Step 5: Solve for x
    x = 8,972,673,709.32/107,969.28
  6. Step 6: Final answer
    x = 83,103.95

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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.