Home / 178,854.40-246,765.25-107,208.28

Finding the Fourth Proportional to 178,854.40, 246,765.25 and 107,208.28

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Solution

The fourth proportional to 178,854.40, 246,765.25 and 107,208.28 is: 147,915.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,854.40 : 246,765.25 = 107,208.28 : x
  2. Step 2: Convert to fraction form
    178,854.40/246,765.25 = 107,208.28/x
  3. Step 3: Cross multiply
    178,854.40x = 246,765.25 × 107,208.28
  4. Step 4: Simplify right side
    178,854.40x = 26,455,278,016.27
  5. Step 5: Solve for x
    x = 26,455,278,016.27/178,854.40
  6. Step 6: Final answer
    x = 147,915.16

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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.