Home / 197,428.52-272,451.06-111,387.38

Finding the Fourth Proportional to 197,428.52, 272,451.06 and 111,387.38

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Solution

The fourth proportional to 197,428.52, 272,451.06 and 111,387.38 is: 153,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,428.52 : 272,451.06 = 111,387.38 : x
  2. Step 2: Convert to fraction form
    197,428.52/272,451.06 = 111,387.38/x
  3. Step 3: Cross multiply
    197,428.52x = 272,451.06 × 111,387.38
  4. Step 4: Simplify right side
    197,428.52x = 30,347,608,389.37
  5. Step 5: Solve for x
    x = 30,347,608,389.37/197,428.52
  6. Step 6: Final answer
    x = 153,714.41

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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.