Home / 160,089.92-240,279.60-85,272.56

Finding the Fourth Proportional to 160,089.92, 240,279.60 and 85,272.56

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Solution

The fourth proportional to 160,089.92, 240,279.60 and 85,272.56 is: 127,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,089.92 : 240,279.60 = 85,272.56 : x
  2. Step 2: Convert to fraction form
    160,089.92/240,279.60 = 85,272.56/x
  3. Step 3: Cross multiply
    160,089.92x = 240,279.60 × 85,272.56
  4. Step 4: Simplify right side
    160,089.92x = 20,489,256,607.78
  5. Step 5: Solve for x
    x = 20,489,256,607.78/160,089.92
  6. Step 6: Final answer
    x = 127,985.93

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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.