Home / 112,034.90-167,987.55-41,921.30

Finding the Fourth Proportional to 112,034.90, 167,987.55 and 41,921.30

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Solution

The fourth proportional to 112,034.90, 167,987.55 and 41,921.30 is: 62,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.90 : 167,987.55 = 41,921.30 : x
  2. Step 2: Convert to fraction form
    112,034.90/167,987.55 = 41,921.30/x
  3. Step 3: Cross multiply
    112,034.90x = 167,987.55 × 41,921.30
  4. Step 4: Simplify right side
    112,034.90x = 7,042,256,479.82
  5. Step 5: Solve for x
    x = 7,042,256,479.82/112,034.90
  6. Step 6: Final answer
    x = 62,857.70

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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.