Home / 181,279.92-250,189.35-109,660.45

Finding the Fourth Proportional to 181,279.92, 250,189.35 and 109,660.45

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Solution

The fourth proportional to 181,279.92, 250,189.35 and 109,660.45 is: 151,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,279.92 : 250,189.35 = 109,660.45 : x
  2. Step 2: Convert to fraction form
    181,279.92/250,189.35 = 109,660.45/x
  3. Step 3: Cross multiply
    181,279.92x = 250,189.35 × 109,660.45
  4. Step 4: Simplify right side
    181,279.92x = 27,435,877,430.17
  5. Step 5: Solve for x
    x = 27,435,877,430.17/181,279.92
  6. Step 6: Final answer
    x = 151,345.37

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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.