Home / 91,057.21-136,569.27-24,481.81

Finding the Fourth Proportional to 91,057.21, 136,569.27 and 24,481.81

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Solution

The fourth proportional to 91,057.21, 136,569.27 and 24,481.81 is: 36,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,057.21 : 136,569.27 = 24,481.81 : x
  2. Step 2: Convert to fraction form
    91,057.21/136,569.27 = 24,481.81/x
  3. Step 3: Cross multiply
    91,057.21x = 136,569.27 × 24,481.81
  4. Step 4: Simplify right side
    91,057.21x = 3,343,462,919.98
  5. Step 5: Solve for x
    x = 3,343,462,919.98/91,057.21
  6. Step 6: Final answer
    x = 36,718.27

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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.