Home / 127,439.52-175,845.84-70,849.44

Finding the Fourth Proportional to 127,439.52, 175,845.84 and 70,849.44

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Solution

The fourth proportional to 127,439.52, 175,845.84 and 70,849.44 is: 97,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.52 : 175,845.84 = 70,849.44 : x
  2. Step 2: Convert to fraction form
    127,439.52/175,845.84 = 70,849.44/x
  3. Step 3: Cross multiply
    127,439.52x = 175,845.84 × 70,849.44
  4. Step 4: Simplify right side
    127,439.52x = 12,458,579,290.33
  5. Step 5: Solve for x
    x = 12,458,579,290.33/127,439.52
  6. Step 6: Final answer
    x = 97,760.72

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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.