Home / 162,231.17-223,876.68-90,612.23

Finding the Fourth Proportional to 162,231.17, 223,876.68 and 90,612.23

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Solution

The fourth proportional to 162,231.17, 223,876.68 and 90,612.23 is: 125,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,231.17 : 223,876.68 = 90,612.23 : x
  2. Step 2: Convert to fraction form
    162,231.17/223,876.68 = 90,612.23/x
  3. Step 3: Cross multiply
    162,231.17x = 223,876.68 × 90,612.23
  4. Step 4: Simplify right side
    162,231.17x = 20,285,965,219.80
  5. Step 5: Solve for x
    x = 20,285,965,219.80/162,231.17
  6. Step 6: Final answer
    x = 125,043.57

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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.