Home / 150,082.09-207,118.41-85,560.87

Finding the Fourth Proportional to 150,082.09, 207,118.41 and 85,560.87

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Solution

The fourth proportional to 150,082.09, 207,118.41 and 85,560.87 is: 118,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,082.09 : 207,118.41 = 85,560.87 : x
  2. Step 2: Convert to fraction form
    150,082.09/207,118.41 = 85,560.87/x
  3. Step 3: Cross multiply
    150,082.09x = 207,118.41 × 85,560.87
  4. Step 4: Simplify right side
    150,082.09x = 17,721,232,289.74
  5. Step 5: Solve for x
    x = 17,721,232,289.74/150,082.09
  6. Step 6: Final answer
    x = 118,076.93

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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.