Home / 162,299.53-223,969.25-90,680.11

Finding the Fourth Proportional to 162,299.53, 223,969.25 and 90,680.11

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Solution

The fourth proportional to 162,299.53, 223,969.25 and 90,680.11 is: 125,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,299.53 : 223,969.25 = 90,680.11 : x
  2. Step 2: Convert to fraction form
    162,299.53/223,969.25 = 90,680.11/x
  3. Step 3: Cross multiply
    162,299.53x = 223,969.25 × 90,680.11
  4. Step 4: Simplify right side
    162,299.53x = 20,309,555,893.39
  5. Step 5: Solve for x
    x = 20,309,555,893.39/162,299.53
  6. Step 6: Final answer
    x = 125,136.26

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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.