Home / 162,105.38-243,165.02-49,790.07

Finding the Fourth Proportional to 162,105.38, 243,165.02 and 49,790.07

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Solution

The fourth proportional to 162,105.38, 243,165.02 and 49,790.07 is: 74,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,105.38 : 243,165.02 = 49,790.07 : x
  2. Step 2: Convert to fraction form
    162,105.38/243,165.02 = 49,790.07/x
  3. Step 3: Cross multiply
    162,105.38x = 243,165.02 × 49,790.07
  4. Step 4: Simplify right side
    162,105.38x = 12,107,203,118.40
  5. Step 5: Solve for x
    x = 12,107,203,118.40/162,105.38
  6. Step 6: Final answer
    x = 74,687.24

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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.