Home / 91,478.88-137,153.52-35,271.36

Finding the Fourth Proportional to 91,478.88, 137,153.52 and 35,271.36

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Solution

The fourth proportional to 91,478.88, 137,153.52 and 35,271.36 is: 52,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,478.88 : 137,153.52 = 35,271.36 : x
  2. Step 2: Convert to fraction form
    91,478.88/137,153.52 = 35,271.36/x
  3. Step 3: Cross multiply
    91,478.88x = 137,153.52 × 35,271.36
  4. Step 4: Simplify right side
    91,478.88x = 4,837,591,179.19
  5. Step 5: Solve for x
    x = 4,837,591,179.19/91,478.88
  6. Step 6: Final answer
    x = 52,882.06

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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.