Home / 112,278.78-168,425.46-37,395.90

Finding the Fourth Proportional to 112,278.78, 168,425.46 and 37,395.90

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Solution

The fourth proportional to 112,278.78, 168,425.46 and 37,395.90 is: 56,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278.78 : 168,425.46 = 37,395.90 : x
  2. Step 2: Convert to fraction form
    112,278.78/168,425.46 = 37,395.90/x
  3. Step 3: Cross multiply
    112,278.78x = 168,425.46 × 37,395.90
  4. Step 4: Simplify right side
    112,278.78x = 6,298,421,659.61
  5. Step 5: Solve for x
    x = 6,298,421,659.61/112,278.78
  6. Step 6: Final answer
    x = 56,096.28

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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.