Home / 159,015.20-238,521.12-40,685.60

Finding the Fourth Proportional to 159,015.20, 238,521.12 and 40,685.60

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Solution

The fourth proportional to 159,015.20, 238,521.12 and 40,685.60 is: 61,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,015.20 : 238,521.12 = 40,685.60 : x
  2. Step 2: Convert to fraction form
    159,015.20/238,521.12 = 40,685.60/x
  3. Step 3: Cross multiply
    159,015.20x = 238,521.12 × 40,685.60
  4. Step 4: Simplify right side
    159,015.20x = 9,704,374,879.87
  5. Step 5: Solve for x
    x = 9,704,374,879.87/159,015.20
  6. Step 6: Final answer
    x = 61,027.97

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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.