Home / 72,919.18-109,389.72-26,183

Finding the Fourth Proportional to 72,919.18, 109,389.72 and 26,183

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Solution

The fourth proportional to 72,919.18, 109,389.72 and 26,183 is: 39,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,919.18 : 109,389.72 = 26,183 : x
  2. Step 2: Convert to fraction form
    72,919.18/109,389.72 = 26,183/x
  3. Step 3: Cross multiply
    72,919.18x = 109,389.72 × 26,183
  4. Step 4: Simplify right side
    72,919.18x = 2,864,151,038.76
  5. Step 5: Solve for x
    x = 2,864,151,038.76/72,919.18
  6. Step 6: Final answer
    x = 39,278.43

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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.