Home / 112,042.74-168,076.42-45,473.20

Finding the Fourth Proportional to 112,042.74, 168,076.42 and 45,473.20

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Solution

The fourth proportional to 112,042.74, 168,076.42 and 45,473.20 is: 68,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.74 : 168,076.42 = 45,473.20 : x
  2. Step 2: Convert to fraction form
    112,042.74/168,076.42 = 45,473.20/x
  3. Step 3: Cross multiply
    112,042.74x = 168,076.42 × 45,473.20
  4. Step 4: Simplify right side
    112,042.74x = 7,642,972,128.07
  5. Step 5: Solve for x
    x = 7,642,972,128.07/112,042.74
  6. Step 6: Final answer
    x = 68,214.79

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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.