Home / 107,972.12-149,001.80-60,228.56

Finding the Fourth Proportional to 107,972.12, 149,001.80 and 60,228.56

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Solution

The fourth proportional to 107,972.12, 149,001.80 and 60,228.56 is: 83,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,972.12 : 149,001.80 = 60,228.56 : x
  2. Step 2: Convert to fraction form
    107,972.12/149,001.80 = 60,228.56/x
  3. Step 3: Cross multiply
    107,972.12x = 149,001.80 × 60,228.56
  4. Step 4: Simplify right side
    107,972.12x = 8,974,163,922.77
  5. Step 5: Solve for x
    x = 8,974,163,922.77/107,972.12
  6. Step 6: Final answer
    x = 83,115.56

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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.