Home / 127,339.44-175,727.20-70,749.60

Finding the Fourth Proportional to 127,339.44, 175,727.20 and 70,749.60

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Solution

The fourth proportional to 127,339.44, 175,727.20 and 70,749.60 is: 97,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.44 : 175,727.20 = 70,749.60 : x
  2. Step 2: Convert to fraction form
    127,339.44/175,727.20 = 70,749.60/x
  3. Step 3: Cross multiply
    127,339.44x = 175,727.20 × 70,749.60
  4. Step 4: Simplify right side
    127,339.44x = 12,432,629,109.12
  5. Step 5: Solve for x
    x = 12,432,629,109.12/127,339.44
  6. Step 6: Final answer
    x = 97,633.77

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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.