Home / 159,444.25-220,017.10-98,180.62

Finding the Fourth Proportional to 159,444.25, 220,017.10 and 98,180.62

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Solution

The fourth proportional to 159,444.25, 220,017.10 and 98,180.62 is: 135,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444.25 : 220,017.10 = 98,180.62 : x
  2. Step 2: Convert to fraction form
    159,444.25/220,017.10 = 98,180.62/x
  3. Step 3: Cross multiply
    159,444.25x = 220,017.10 × 98,180.62
  4. Step 4: Simplify right side
    159,444.25x = 21,601,415,288.60
  5. Step 5: Solve for x
    x = 21,601,415,288.60/159,444.25
  6. Step 6: Final answer
    x = 135,479.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.