Home / 134,169.66-185,012.28-112,644.58

Finding the Fourth Proportional to 134,169.66, 185,012.28 and 112,644.58

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Solution

The fourth proportional to 134,169.66, 185,012.28 and 112,644.58 is: 155,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,169.66 : 185,012.28 = 112,644.58 : x
  2. Step 2: Convert to fraction form
    134,169.66/185,012.28 = 112,644.58/x
  3. Step 3: Cross multiply
    134,169.66x = 185,012.28 × 112,644.58
  4. Step 4: Simplify right side
    134,169.66x = 20,840,630,112.91
  5. Step 5: Solve for x
    x = 20,840,630,112.91/134,169.66
  6. Step 6: Final answer
    x = 155,330.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.