Home / 159,417.20-239,125.80-106,540.40

Finding the Fourth Proportional to 159,417.20, 239,125.80 and 106,540.40

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Solution

The fourth proportional to 159,417.20, 239,125.80 and 106,540.40 is: 159,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,417.20 : 239,125.80 = 106,540.40 : x
  2. Step 2: Convert to fraction form
    159,417.20/239,125.80 = 106,540.40/x
  3. Step 3: Cross multiply
    159,417.20x = 239,125.80 × 106,540.40
  4. Step 4: Simplify right side
    159,417.20x = 25,476,558,382.32
  5. Step 5: Solve for x
    x = 25,476,558,382.32/159,417.20
  6. Step 6: Final answer
    x = 159,810.60

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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.