Home / 160,218.16-240,471.69-85,400.62

Finding the Fourth Proportional to 160,218.16, 240,471.69 and 85,400.62

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Solution

The fourth proportional to 160,218.16, 240,471.69 and 85,400.62 is: 128,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,218.16 : 240,471.69 = 85,400.62 : x
  2. Step 2: Convert to fraction form
    160,218.16/240,471.69 = 85,400.62/x
  3. Step 3: Cross multiply
    160,218.16x = 240,471.69 × 85,400.62
  4. Step 4: Simplify right side
    160,218.16x = 20,536,431,418.45
  5. Step 5: Solve for x
    x = 20,536,431,418.45/160,218.16
  6. Step 6: Final answer
    x = 128,177.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.