Home / 105,383.83-158,084.00-30,505.10

Finding the Fourth Proportional to 105,383.83, 158,084.00 and 30,505.10

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Solution

The fourth proportional to 105,383.83, 158,084.00 and 30,505.10 is: 45,760.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,383.83 : 158,084.00 = 30,505.10 : x
  2. Step 2: Convert to fraction form
    105,383.83/158,084.00 = 30,505.10/x
  3. Step 3: Cross multiply
    105,383.83x = 158,084.00 × 30,505.10
  4. Step 4: Simplify right side
    105,383.83x = 4,822,368,585.48
  5. Step 5: Solve for x
    x = 4,822,368,585.48/105,383.83
  6. Step 6: Final answer
    x = 45,760.04

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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.