Home / 197,091.76-272,008.24-112,195.12

Finding the Fourth Proportional to 197,091.76, 272,008.24 and 112,195.12

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Solution

The fourth proportional to 197,091.76, 272,008.24 and 112,195.12 is: 154,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,091.76 : 272,008.24 = 112,195.12 : x
  2. Step 2: Convert to fraction form
    197,091.76/272,008.24 = 112,195.12/x
  3. Step 3: Cross multiply
    197,091.76x = 272,008.24 × 112,195.12
  4. Step 4: Simplify right side
    197,091.76x = 30,517,997,127.79
  5. Step 5: Solve for x
    x = 30,517,997,127.79/197,091.76
  6. Step 6: Final answer
    x = 154,841.57

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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.