Home / 91,330.28-136,995.66-28,148.37

Finding the Fourth Proportional to 91,330.28, 136,995.66 and 28,148.37

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Solution

The fourth proportional to 91,330.28, 136,995.66 and 28,148.37 is: 42,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.28 : 136,995.66 = 28,148.37 : x
  2. Step 2: Convert to fraction form
    91,330.28/136,995.66 = 28,148.37/x
  3. Step 3: Cross multiply
    91,330.28x = 136,995.66 × 28,148.37
  4. Step 4: Simplify right side
    91,330.28x = 3,856,204,526.07
  5. Step 5: Solve for x
    x = 3,856,204,526.07/91,330.28
  6. Step 6: Final answer
    x = 42,222.63

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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.