Home / 155,621.80-232,914.30-136,959.40

Finding the Fourth Proportional to 155,621.80, 232,914.30 and 136,959.40

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Solution

The fourth proportional to 155,621.80, 232,914.30 and 136,959.40 is: 204,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,621.80 : 232,914.30 = 136,959.40 : x
  2. Step 2: Convert to fraction form
    155,621.80/232,914.30 = 136,959.40/x
  3. Step 3: Cross multiply
    155,621.80x = 232,914.30 × 136,959.40
  4. Step 4: Simplify right side
    155,621.80x = 31,899,802,779.42
  5. Step 5: Solve for x
    x = 31,899,802,779.42/155,621.80
  6. Step 6: Final answer
    x = 204,982.87

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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.