Home / 162,619.23-243,874.12-54,526.71

Finding the Fourth Proportional to 162,619.23, 243,874.12 and 54,526.71

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Solution

The fourth proportional to 162,619.23, 243,874.12 and 54,526.71 is: 81,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,619.23 : 243,874.12 = 54,526.71 : x
  2. Step 2: Convert to fraction form
    162,619.23/243,874.12 = 54,526.71/x
  3. Step 3: Cross multiply
    162,619.23x = 243,874.12 × 54,526.71
  4. Step 4: Simplify right side
    162,619.23x = 13,297,653,417.75
  5. Step 5: Solve for x
    x = 13,297,653,417.75/162,619.23
  6. Step 6: Final answer
    x = 81,771.72

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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.