Home / 161,962.24-223,508.22-90,340.42

Finding the Fourth Proportional to 161,962.24, 223,508.22 and 90,340.42

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Solution

The fourth proportional to 161,962.24, 223,508.22 and 90,340.42 is: 124,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,962.24 : 223,508.22 = 90,340.42 : x
  2. Step 2: Convert to fraction form
    161,962.24/223,508.22 = 90,340.42/x
  3. Step 3: Cross multiply
    161,962.24x = 223,508.22 × 90,340.42
  4. Step 4: Simplify right side
    161,962.24x = 20,191,826,468.25
  5. Step 5: Solve for x
    x = 20,191,826,468.25/161,962.24
  6. Step 6: Final answer
    x = 124,669.96

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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.