Home / 162,234.20-223,880.82-90,615.26

Finding the Fourth Proportional to 162,234.20, 223,880.82 and 90,615.26

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Solution

The fourth proportional to 162,234.20, 223,880.82 and 90,615.26 is: 125,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,234.20 : 223,880.82 = 90,615.26 : x
  2. Step 2: Convert to fraction form
    162,234.20/223,880.82 = 90,615.26/x
  3. Step 3: Cross multiply
    162,234.20x = 223,880.82 × 90,615.26
  4. Step 4: Simplify right side
    162,234.20x = 20,287,018,713.31
  5. Step 5: Solve for x
    x = 20,287,018,713.31/162,234.20
  6. Step 6: Final answer
    x = 125,047.73

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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.