Home / 152,076.20-209,857.38-85,008.20

Finding the Fourth Proportional to 152,076.20, 209,857.38 and 85,008.20

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Solution

The fourth proportional to 152,076.20, 209,857.38 and 85,008.20 is: 117,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,076.20 : 209,857.38 = 85,008.20 : x
  2. Step 2: Convert to fraction form
    152,076.20/209,857.38 = 85,008.20/x
  3. Step 3: Cross multiply
    152,076.20x = 209,857.38 × 85,008.20
  4. Step 4: Simplify right side
    152,076.20x = 17,839,598,130.52
  5. Step 5: Solve for x
    x = 17,839,598,130.52/152,076.20
  6. Step 6: Final answer
    x = 117,306.97

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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.