Home / 91,206.36-136,810-41,227.95

Finding the Fourth Proportional to 91,206.36, 136,810 and 41,227.95

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Solution

The fourth proportional to 91,206.36, 136,810 and 41,227.95 is: 61,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206.36 : 136,810 = 41,227.95 : x
  2. Step 2: Convert to fraction form
    91,206.36/136,810 = 41,227.95/x
  3. Step 3: Cross multiply
    91,206.36x = 136,810 × 41,227.95
  4. Step 4: Simplify right side
    91,206.36x = 5,640,395,155.45
  5. Step 5: Solve for x
    x = 5,640,395,155.45/91,206.36
  6. Step 6: Final answer
    x = 61,842.12

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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.