Home / 162,618.23-243,872.63-54,525.71

Finding the Fourth Proportional to 162,618.23, 243,872.63 and 54,525.71

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Solution

The fourth proportional to 162,618.23, 243,872.63 and 54,525.71 is: 81,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,618.23 : 243,872.63 = 54,525.71 : x
  2. Step 2: Convert to fraction form
    162,618.23/243,872.63 = 54,525.71/x
  3. Step 3: Cross multiply
    162,618.23x = 243,872.63 × 54,525.71
  4. Step 4: Simplify right side
    162,618.23x = 13,297,328,027.69
  5. Step 5: Solve for x
    x = 13,297,328,027.69/162,618.23
  6. Step 6: Final answer
    x = 81,770.22

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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.