Home / 162,049.43-223,605.82-90,415.53

Finding the Fourth Proportional to 162,049.43, 223,605.82 and 90,415.53

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Solution

The fourth proportional to 162,049.43, 223,605.82 and 90,415.53 is: 124,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,049.43 : 223,605.82 = 90,415.53 : x
  2. Step 2: Convert to fraction form
    162,049.43/223,605.82 = 90,415.53/x
  3. Step 3: Cross multiply
    162,049.43x = 223,605.82 × 90,415.53
  4. Step 4: Simplify right side
    162,049.43x = 20,217,438,726.38
  5. Step 5: Solve for x
    x = 20,217,438,726.38/162,049.43
  6. Step 6: Final answer
    x = 124,760.94

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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.