Home / 160,207.76-240,348.09-85,288.43

Finding the Fourth Proportional to 160,207.76, 240,348.09 and 85,288.43

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Solution

The fourth proportional to 160,207.76, 240,348.09 and 85,288.43 is: 127,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,207.76 : 240,348.09 = 85,288.43 : x
  2. Step 2: Convert to fraction form
    160,207.76/240,348.09 = 85,288.43/x
  3. Step 3: Cross multiply
    160,207.76x = 240,348.09 × 85,288.43
  4. Step 4: Simplify right side
    160,207.76x = 20,498,910,047.86
  5. Step 5: Solve for x
    x = 20,498,910,047.86/160,207.76
  6. Step 6: Final answer
    x = 127,952.05

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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.