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Finding the Fourth Proportional to 183,349.85, 274,955.65 and 76,741.19

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Solution

The fourth proportional to 183,349.85, 274,955.65 and 76,741.19 is: 115,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,349.85 : 274,955.65 = 76,741.19 : x
  2. Step 2: Convert to fraction form
    183,349.85/274,955.65 = 76,741.19/x
  3. Step 3: Cross multiply
    183,349.85x = 274,955.65 × 76,741.19
  4. Step 4: Simplify right side
    183,349.85x = 21,100,423,778.22
  5. Step 5: Solve for x
    x = 21,100,423,778.22/183,349.85
  6. Step 6: Final answer
    x = 115,082.85

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1.5x scale

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.