Home / 179,335.72-269,207.70-90,689.32

Finding the Fourth Proportional to 179,335.72, 269,207.70 and 90,689.32

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Solution

The fourth proportional to 179,335.72, 269,207.70 and 90,689.32 is: 136,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,335.72 : 269,207.70 = 90,689.32 : x
  2. Step 2: Convert to fraction form
    179,335.72/269,207.70 = 90,689.32/x
  3. Step 3: Cross multiply
    179,335.72x = 269,207.70 × 90,689.32
  4. Step 4: Simplify right side
    179,335.72x = 24,414,263,251.76
  5. Step 5: Solve for x
    x = 24,414,263,251.76/179,335.72
  6. Step 6: Final answer
    x = 136,137.20

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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.