Home / 150,170.74-207,165.60-86,471.62

Finding the Fourth Proportional to 150,170.74, 207,165.60 and 86,471.62

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Solution

The fourth proportional to 150,170.74, 207,165.60 and 86,471.62 is: 119,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,170.74 : 207,165.60 = 86,471.62 : x
  2. Step 2: Convert to fraction form
    150,170.74/207,165.60 = 86,471.62/x
  3. Step 3: Cross multiply
    150,170.74x = 207,165.60 × 86,471.62
  4. Step 4: Simplify right side
    150,170.74x = 17,913,944,522.36
  5. Step 5: Solve for x
    x = 17,913,944,522.36/150,170.74
  6. Step 6: Final answer
    x = 119,290.51

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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.