Home / 160,122.48-240,334.20-81,293.28

Finding the Fourth Proportional to 160,122.48, 240,334.20 and 81,293.28

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Solution

The fourth proportional to 160,122.48, 240,334.20 and 81,293.28 is: 122,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,122.48 : 240,334.20 = 81,293.28 : x
  2. Step 2: Convert to fraction form
    160,122.48/240,334.20 = 81,293.28/x
  3. Step 3: Cross multiply
    160,122.48x = 240,334.20 × 81,293.28
  4. Step 4: Simplify right side
    160,122.48x = 19,537,555,414.18
  5. Step 5: Solve for x
    x = 19,537,555,414.18/160,122.48
  6. Step 6: Final answer
    x = 122,016.32

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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.