Home / 147,725.91-203,864.18-80,657.91

Finding the Fourth Proportional to 147,725.91, 203,864.18 and 80,657.91

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Solution

The fourth proportional to 147,725.91, 203,864.18 and 80,657.91 is: 111,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,725.91 : 203,864.18 = 80,657.91 : x
  2. Step 2: Convert to fraction form
    147,725.91/203,864.18 = 80,657.91/x
  3. Step 3: Cross multiply
    147,725.91x = 203,864.18 × 80,657.91
  4. Step 4: Simplify right side
    147,725.91x = 16,443,258,279.37
  5. Step 5: Solve for x
    x = 16,443,258,279.37/147,725.91
  6. Step 6: Final answer
    x = 111,309.24

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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.