Home / 146,909.93-220,427.16-80,272.21

Finding the Fourth Proportional to 146,909.93, 220,427.16 and 80,272.21

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Solution

The fourth proportional to 146,909.93, 220,427.16 and 80,272.21 is: 120,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,909.93 : 220,427.16 = 80,272.21 : x
  2. Step 2: Convert to fraction form
    146,909.93/220,427.16 = 80,272.21/x
  3. Step 3: Cross multiply
    146,909.93x = 220,427.16 × 80,272.21
  4. Step 4: Simplify right side
    146,909.93x = 17,694,174,726.16
  5. Step 5: Solve for x
    x = 17,694,174,726.16/146,909.93
  6. Step 6: Final answer
    x = 120,442.33

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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.