Home / 100,385.18-150,377.00-60,382.07

Finding the Fourth Proportional to 100,385.18, 150,377.00 and 60,382.07

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Solution

The fourth proportional to 100,385.18, 150,377.00 and 60,382.07 is: 90,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,385.18 : 150,377.00 = 60,382.07 : x
  2. Step 2: Convert to fraction form
    100,385.18/150,377.00 = 60,382.07/x
  3. Step 3: Cross multiply
    100,385.18x = 150,377.00 × 60,382.07
  4. Step 4: Simplify right side
    100,385.18x = 9,080,073,486.59
  5. Step 5: Solve for x
    x = 9,080,073,486.59/100,385.18
  6. Step 6: Final answer
    x = 90,452.34

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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.