Home / 162,218.72-243,351.23-49,908.30

Finding the Fourth Proportional to 162,218.72, 243,351.23 and 49,908.30

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Solution

The fourth proportional to 162,218.72, 243,351.23 and 49,908.30 is: 74,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,218.72 : 243,351.23 = 49,908.30 : x
  2. Step 2: Convert to fraction form
    162,218.72/243,351.23 = 49,908.30/x
  3. Step 3: Cross multiply
    162,218.72x = 243,351.23 × 49,908.30
  4. Step 4: Simplify right side
    162,218.72x = 12,145,246,192.21
  5. Step 5: Solve for x
    x = 12,145,246,192.21/162,218.72
  6. Step 6: Final answer
    x = 74,869.57

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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.