Home / 91,132.20-136,657.80-41,210.28

Finding the Fourth Proportional to 91,132.20, 136,657.80 and 41,210.28

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Solution

The fourth proportional to 91,132.20, 136,657.80 and 41,210.28 is: 61,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,132.20 : 136,657.80 = 41,210.28 : x
  2. Step 2: Convert to fraction form
    91,132.20/136,657.80 = 41,210.28/x
  3. Step 3: Cross multiply
    91,132.20x = 136,657.80 × 41,210.28
  4. Step 4: Simplify right side
    91,132.20x = 5,631,706,202.18
  5. Step 5: Solve for x
    x = 5,631,706,202.18/91,132.20
  6. Step 6: Final answer
    x = 61,797.11

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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.