Home / 91,271.46-136,908-32,107.62

Finding the Fourth Proportional to 91,271.46, 136,908 and 32,107.62

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Solution

The fourth proportional to 91,271.46, 136,908 and 32,107.62 is: 48,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,271.46 : 136,908 = 32,107.62 : x
  2. Step 2: Convert to fraction form
    91,271.46/136,908 = 32,107.62/x
  3. Step 3: Cross multiply
    91,271.46x = 136,908 × 32,107.62
  4. Step 4: Simplify right side
    91,271.46x = 4,395,790,038.96
  5. Step 5: Solve for x
    x = 4,395,790,038.96/91,271.46
  6. Step 6: Final answer
    x = 48,161.71

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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.