Home / 91,084.84-136,643.73-41,188.45

Finding the Fourth Proportional to 91,084.84, 136,643.73 and 41,188.45

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Solution

The fourth proportional to 91,084.84, 136,643.73 and 41,188.45 is: 61,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,084.84 : 136,643.73 = 41,188.45 : x
  2. Step 2: Convert to fraction form
    91,084.84/136,643.73 = 41,188.45/x
  3. Step 3: Cross multiply
    91,084.84x = 136,643.73 × 41,188.45
  4. Step 4: Simplify right side
    91,084.84x = 5,628,143,440.92
  5. Step 5: Solve for x
    x = 5,628,143,440.92/91,084.84
  6. Step 6: Final answer
    x = 61,790.12

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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.