Home / 197,279.36-272,231.52-112,380.80

Finding the Fourth Proportional to 197,279.36, 272,231.52 and 112,380.80

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Solution

The fourth proportional to 197,279.36, 272,231.52 and 112,380.80 is: 155,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,279.36 : 272,231.52 = 112,380.80 : x
  2. Step 2: Convert to fraction form
    197,279.36/272,231.52 = 112,380.80/x
  3. Step 3: Cross multiply
    197,279.36x = 272,231.52 × 112,380.80
  4. Step 4: Simplify right side
    197,279.36x = 30,593,596,002.82
  5. Step 5: Solve for x
    x = 30,593,596,002.82/197,279.36
  6. Step 6: Final answer
    x = 155,077.53

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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.