Home / 197,275.17-272,239.20-112,392.84

Finding the Fourth Proportional to 197,275.17, 272,239.20 and 112,392.84

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Solution

The fourth proportional to 197,275.17, 272,239.20 and 112,392.84 is: 155,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,275.17 : 272,239.20 = 112,392.84 : x
  2. Step 2: Convert to fraction form
    197,275.17/272,239.20 = 112,392.84/x
  3. Step 3: Cross multiply
    197,275.17x = 272,239.20 × 112,392.84
  4. Step 4: Simplify right side
    197,275.17x = 30,597,736,847.33
  5. Step 5: Solve for x
    x = 30,597,736,847.33/197,275.17
  6. Step 6: Final answer
    x = 155,101.81

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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.