Home / 100,332.06-150,366.06-55,979.70

Finding the Fourth Proportional to 100,332.06, 150,366.06 and 55,979.70

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Solution

The fourth proportional to 100,332.06, 150,366.06 and 55,979.70 is: 83,895.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,332.06 : 150,366.06 = 55,979.70 : x
  2. Step 2: Convert to fraction form
    100,332.06/150,366.06 = 55,979.70/x
  3. Step 3: Cross multiply
    100,332.06x = 150,366.06 × 55,979.70
  4. Step 4: Simplify right side
    100,332.06x = 8,417,446,928.98
  5. Step 5: Solve for x
    x = 8,417,446,928.98/100,332.06
  6. Step 6: Final answer
    x = 83,895.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.