Home / 107,976.16-149,007.32-60,228.28

Finding the Fourth Proportional to 107,976.16, 149,007.32 and 60,228.28

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Solution

The fourth proportional to 107,976.16, 149,007.32 and 60,228.28 is: 83,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.16 : 149,007.32 = 60,228.28 : x
  2. Step 2: Convert to fraction form
    107,976.16/149,007.32 = 60,228.28/x
  3. Step 3: Cross multiply
    107,976.16x = 149,007.32 × 60,228.28
  4. Step 4: Simplify right side
    107,976.16x = 8,974,454,591.01
  5. Step 5: Solve for x
    x = 8,974,454,591.01/107,976.16
  6. Step 6: Final answer
    x = 83,115.15

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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.