Home / 133,344.61-183,928.85-85,522.21

Finding the Fourth Proportional to 133,344.61, 183,928.85 and 85,522.21

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Solution

The fourth proportional to 133,344.61, 183,928.85 and 85,522.21 is: 117,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,344.61 : 183,928.85 = 85,522.21 : x
  2. Step 2: Convert to fraction form
    133,344.61/183,928.85 = 85,522.21/x
  3. Step 3: Cross multiply
    133,344.61x = 183,928.85 × 85,522.21
  4. Step 4: Simplify right side
    133,344.61x = 15,730,001,028.92
  5. Step 5: Solve for x
    x = 15,730,001,028.92/133,344.61
  6. Step 6: Final answer
    x = 117,965.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.