Home / 127,478.44-175,815.52-113,148.72

Finding the Fourth Proportional to 127,478.44, 175,815.52 and 113,148.72

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Solution

The fourth proportional to 127,478.44, 175,815.52 and 113,148.72 is: 156,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,478.44 : 175,815.52 = 113,148.72 : x
  2. Step 2: Convert to fraction form
    127,478.44/175,815.52 = 113,148.72/x
  3. Step 3: Cross multiply
    127,478.44x = 175,815.52 × 113,148.72
  4. Step 4: Simplify right side
    127,478.44x = 19,893,301,044.13
  5. Step 5: Solve for x
    x = 19,893,301,044.13/127,478.44
  6. Step 6: Final answer
    x = 156,052.28

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1.5x scale

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.