Home / 155,144.80-232,730.55-42,825.04

Finding the Fourth Proportional to 155,144.80, 232,730.55 and 42,825.04

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Solution

The fourth proportional to 155,144.80, 232,730.55 and 42,825.04 is: 64,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,144.80 : 232,730.55 = 42,825.04 : x
  2. Step 2: Convert to fraction form
    155,144.80/232,730.55 = 42,825.04/x
  3. Step 3: Cross multiply
    155,144.80x = 232,730.55 × 42,825.04
  4. Step 4: Simplify right side
    155,144.80x = 9,966,695,112.97
  5. Step 5: Solve for x
    x = 9,966,695,112.97/155,144.80
  6. Step 6: Final answer
    x = 64,241.25

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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.