Home / 162,306.42-243,248.67-66,131.37

Finding the Fourth Proportional to 162,306.42, 243,248.67 and 66,131.37

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Solution

The fourth proportional to 162,306.42, 243,248.67 and 66,131.37 is: 99,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,306.42 : 243,248.67 = 66,131.37 : x
  2. Step 2: Convert to fraction form
    162,306.42/243,248.67 = 66,131.37/x
  3. Step 3: Cross multiply
    162,306.42x = 243,248.67 × 66,131.37
  4. Step 4: Simplify right side
    162,306.42x = 16,086,367,797.78
  5. Step 5: Solve for x
    x = 16,086,367,797.78/162,306.42
  6. Step 6: Final answer
    x = 99,111.10

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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.