Home / 162,052.68-223,632.36-90,428.43

Finding the Fourth Proportional to 162,052.68, 223,632.36 and 90,428.43

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Solution

The fourth proportional to 162,052.68, 223,632.36 and 90,428.43 is: 124,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,052.68 : 223,632.36 = 90,428.43 : x
  2. Step 2: Convert to fraction form
    162,052.68/223,632.36 = 90,428.43/x
  3. Step 3: Cross multiply
    162,052.68x = 223,632.36 × 90,428.43
  4. Step 4: Simplify right side
    162,052.68x = 20,222,723,211.99
  5. Step 5: Solve for x
    x = 20,222,723,211.99/162,052.68
  6. Step 6: Final answer
    x = 124,791.04

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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.