Home / 160,272.90-240,196.99-85,231.46

Finding the Fourth Proportional to 160,272.90, 240,196.99 and 85,231.46

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Solution

The fourth proportional to 160,272.90, 240,196.99 and 85,231.46 is: 127,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,272.90 : 240,196.99 = 85,231.46 : x
  2. Step 2: Convert to fraction form
    160,272.90/240,196.99 = 85,231.46/x
  3. Step 3: Cross multiply
    160,272.90x = 240,196.99 × 85,231.46
  4. Step 4: Simplify right side
    160,272.90x = 20,472,340,145.31
  5. Step 5: Solve for x
    x = 20,472,340,145.31/160,272.90
  6. Step 6: Final answer
    x = 127,734.26

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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.