Home / 159,209.41-238,617.27-80,346.19

Finding the Fourth Proportional to 159,209.41, 238,617.27 and 80,346.19

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Solution

The fourth proportional to 159,209.41, 238,617.27 and 80,346.19 is: 120,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,209.41 : 238,617.27 = 80,346.19 : x
  2. Step 2: Convert to fraction form
    159,209.41/238,617.27 = 80,346.19/x
  3. Step 3: Cross multiply
    159,209.41x = 238,617.27 × 80,346.19
  4. Step 4: Simplify right side
    159,209.41x = 19,171,988,512.70
  5. Step 5: Solve for x
    x = 19,171,988,512.70/159,209.41
  6. Step 6: Final answer
    x = 120,419.95

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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.