Home / 154,095.80-231,143.70-136,278.20

Finding the Fourth Proportional to 154,095.80, 231,143.70 and 136,278.20

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Solution

The fourth proportional to 154,095.80, 231,143.70 and 136,278.20 is: 204,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095.80 : 231,143.70 = 136,278.20 : x
  2. Step 2: Convert to fraction form
    154,095.80/231,143.70 = 136,278.20/x
  3. Step 3: Cross multiply
    154,095.80x = 231,143.70 × 136,278.20
  4. Step 4: Simplify right side
    154,095.80x = 31,499,847,377.34
  5. Step 5: Solve for x
    x = 31,499,847,377.34/154,095.80
  6. Step 6: Final answer
    x = 204,417.30

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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.