Home / 162,403.38-243,596.97-57,213.54

Finding the Fourth Proportional to 162,403.38, 243,596.97 and 57,213.54

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Solution

The fourth proportional to 162,403.38, 243,596.97 and 57,213.54 is: 85,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,403.38 : 243,596.97 = 57,213.54 : x
  2. Step 2: Convert to fraction form
    162,403.38/243,596.97 = 57,213.54/x
  3. Step 3: Cross multiply
    162,403.38x = 243,596.97 × 57,213.54
  4. Step 4: Simplify right side
    162,403.38x = 13,937,044,986.97
  5. Step 5: Solve for x
    x = 13,937,044,986.97/162,403.38
  6. Step 6: Final answer
    x = 85,817.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.