Home / 155,581.80-232,854.30-136,919.40

Finding the Fourth Proportional to 155,581.80, 232,854.30 and 136,919.40

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Solution

The fourth proportional to 155,581.80, 232,854.30 and 136,919.40 is: 204,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,581.80 : 232,854.30 = 136,919.40 : x
  2. Step 2: Convert to fraction form
    155,581.80/232,854.30 = 136,919.40/x
  3. Step 3: Cross multiply
    155,581.80x = 232,854.30 × 136,919.40
  4. Step 4: Simplify right side
    155,581.80x = 31,882,271,043.42
  5. Step 5: Solve for x
    x = 31,882,271,043.42/155,581.80
  6. Step 6: Final answer
    x = 204,922.88

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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.