Home / 113,171.64-169,754.40-38,291.28

Finding the Fourth Proportional to 113,171.64, 169,754.40 and 38,291.28

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Solution

The fourth proportional to 113,171.64, 169,754.40 and 38,291.28 is: 57,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,171.64 : 169,754.40 = 38,291.28 : x
  2. Step 2: Convert to fraction form
    113,171.64/169,754.40 = 38,291.28/x
  3. Step 3: Cross multiply
    113,171.64x = 169,754.40 × 38,291.28
  4. Step 4: Simplify right side
    113,171.64x = 6,500,113,261.63
  5. Step 5: Solve for x
    x = 6,500,113,261.63/113,171.64
  6. Step 6: Final answer
    x = 57,435.88

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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.