Home / 91,343.42-136,932.09-35,147.69

Finding the Fourth Proportional to 91,343.42, 136,932.09 and 35,147.69

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Solution

The fourth proportional to 91,343.42, 136,932.09 and 35,147.69 is: 52,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,343.42 : 136,932.09 = 35,147.69 : x
  2. Step 2: Convert to fraction form
    91,343.42/136,932.09 = 35,147.69/x
  3. Step 3: Cross multiply
    91,343.42x = 136,932.09 × 35,147.69
  4. Step 4: Simplify right side
    91,343.42x = 4,812,846,650.37
  5. Step 5: Solve for x
    x = 4,812,846,650.37/91,343.42
  6. Step 6: Final answer
    x = 52,689.58

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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.