Home / 91,126.88-136,625.52-34,919.36

Finding the Fourth Proportional to 91,126.88, 136,625.52 and 34,919.36

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Solution

The fourth proportional to 91,126.88, 136,625.52 and 34,919.36 is: 52,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126.88 : 136,625.52 = 34,919.36 : x
  2. Step 2: Convert to fraction form
    91,126.88/136,625.52 = 34,919.36/x
  3. Step 3: Cross multiply
    91,126.88x = 136,625.52 × 34,919.36
  4. Step 4: Simplify right side
    91,126.88x = 4,770,875,718.07
  5. Step 5: Solve for x
    x = 4,770,875,718.07/91,126.88
  6. Step 6: Final answer
    x = 52,354.21

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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.