Home / 160,161.44-240,387.07-85,344.80

Finding the Fourth Proportional to 160,161.44, 240,387.07 and 85,344.80

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Solution

The fourth proportional to 160,161.44, 240,387.07 and 85,344.80 is: 128,094.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,161.44 : 240,387.07 = 85,344.80 : x
  2. Step 2: Convert to fraction form
    160,161.44/240,387.07 = 85,344.80/x
  3. Step 3: Cross multiply
    160,161.44x = 240,387.07 × 85,344.80
  4. Step 4: Simplify right side
    160,161.44x = 20,515,786,411.74
  5. Step 5: Solve for x
    x = 20,515,786,411.74/160,161.44
  6. Step 6: Final answer
    x = 128,094.42

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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.