Home / 150,174.20-207,240.78-83,108.60

Finding the Fourth Proportional to 150,174.20, 207,240.78 and 83,108.60

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Solution

The fourth proportional to 150,174.20, 207,240.78 and 83,108.60 is: 114,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,174.20 : 207,240.78 = 83,108.60 : x
  2. Step 2: Convert to fraction form
    150,174.20/207,240.78 = 83,108.60/x
  3. Step 3: Cross multiply
    150,174.20x = 207,240.78 × 83,108.60
  4. Step 4: Simplify right side
    150,174.20x = 17,223,491,088.71
  5. Step 5: Solve for x
    x = 17,223,491,088.71/150,174.20
  6. Step 6: Final answer
    x = 114,690.08

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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.