Home / 133,300.10-183,954.30-76,711.52

Finding the Fourth Proportional to 133,300.10, 183,954.30 and 76,711.52

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Solution

The fourth proportional to 133,300.10, 183,954.30 and 76,711.52 is: 105,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,300.10 : 183,954.30 = 76,711.52 : x
  2. Step 2: Convert to fraction form
    133,300.10/183,954.30 = 76,711.52/x
  3. Step 3: Cross multiply
    133,300.10x = 183,954.30 × 76,711.52
  4. Step 4: Simplify right side
    133,300.10x = 14,111,414,135.75
  5. Step 5: Solve for x
    x = 14,111,414,135.75/133,300.10
  6. Step 6: Final answer
    x = 105,861.99

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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.