Home / 150,102.83-207,141.15-82,118.57

Finding the Fourth Proportional to 150,102.83, 207,141.15 and 82,118.57

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Solution

The fourth proportional to 150,102.83, 207,141.15 and 82,118.57 is: 113,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,102.83 : 207,141.15 = 82,118.57 : x
  2. Step 2: Convert to fraction form
    150,102.83/207,141.15 = 82,118.57/x
  3. Step 3: Cross multiply
    150,102.83x = 207,141.15 × 82,118.57
  4. Step 4: Simplify right side
    150,102.83x = 17,010,133,990.45
  5. Step 5: Solve for x
    x = 17,010,133,990.45/150,102.83
  6. Step 6: Final answer
    x = 113,323.21

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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.