Home / 185,233.10-255,623.65-100,353.20

Finding the Fourth Proportional to 185,233.10, 255,623.65 and 100,353.20

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Solution

The fourth proportional to 185,233.10, 255,623.65 and 100,353.20 is: 138,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,233.10 : 255,623.65 = 100,353.20 : x
  2. Step 2: Convert to fraction form
    185,233.10/255,623.65 = 100,353.20/x
  3. Step 3: Cross multiply
    185,233.10x = 255,623.65 × 100,353.20
  4. Step 4: Simplify right side
    185,233.10x = 25,652,649,744.18
  5. Step 5: Solve for x
    x = 25,652,649,744.18/185,233.10
  6. Step 6: Final answer
    x = 138,488.48

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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.