Home / 155,987.55-234,007.20-54,759.36

Finding the Fourth Proportional to 155,987.55, 234,007.20 and 54,759.36

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Solution

The fourth proportional to 155,987.55, 234,007.20 and 54,759.36 is: 82,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,987.55 : 234,007.20 = 54,759.36 : x
  2. Step 2: Convert to fraction form
    155,987.55/234,007.20 = 54,759.36/x
  3. Step 3: Cross multiply
    155,987.55x = 234,007.20 × 54,759.36
  4. Step 4: Simplify right side
    155,987.55x = 12,814,084,507.39
  5. Step 5: Solve for x
    x = 12,814,084,507.39/155,987.55
  6. Step 6: Final answer
    x = 82,148.12

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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.