Home / 150,377.65-207,521.09-82,397.18

Finding the Fourth Proportional to 150,377.65, 207,521.09 and 82,397.18

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Solution

The fourth proportional to 150,377.65, 207,521.09 and 82,397.18 is: 113,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,377.65 : 207,521.09 = 82,397.18 : x
  2. Step 2: Convert to fraction form
    150,377.65/207,521.09 = 82,397.18/x
  3. Step 3: Cross multiply
    150,377.65x = 207,521.09 × 82,397.18
  4. Step 4: Simplify right side
    150,377.65x = 17,099,153,022.33
  5. Step 5: Solve for x
    x = 17,099,153,022.33/150,377.65
  6. Step 6: Final answer
    x = 113,708.08

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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.