Home / 155,185.08-232,772.97-42,872.01

Finding the Fourth Proportional to 155,185.08, 232,772.97 and 42,872.01

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Solution

The fourth proportional to 155,185.08, 232,772.97 and 42,872.01 is: 64,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,185.08 : 232,772.97 = 42,872.01 : x
  2. Step 2: Convert to fraction form
    155,185.08/232,772.97 = 42,872.01/x
  3. Step 3: Cross multiply
    155,185.08x = 232,772.97 × 42,872.01
  4. Step 4: Simplify right side
    155,185.08x = 9,979,445,097.57
  5. Step 5: Solve for x
    x = 9,979,445,097.57/155,185.08
  6. Step 6: Final answer
    x = 64,306.73

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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.