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Finding the Fourth Proportional to 189,002.07, 283,505.22 and 80,916.89

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Solution

The fourth proportional to 189,002.07, 283,505.22 and 80,916.89 is: 121,376.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.07 : 283,505.22 = 80,916.89 : x
  2. Step 2: Convert to fraction form
    189,002.07/283,505.22 = 80,916.89/x
  3. Step 3: Cross multiply
    189,002.07x = 283,505.22 × 80,916.89
  4. Step 4: Simplify right side
    189,002.07x = 22,940,359,283.64
  5. Step 5: Solve for x
    x = 22,940,359,283.64/189,002.07
  6. Step 6: Final answer
    x = 121,376.23

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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.