Home / 126,694.08-190,008.72-47,784.96

Finding the Fourth Proportional to 126,694.08, 190,008.72 and 47,784.96

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Solution

The fourth proportional to 126,694.08, 190,008.72 and 47,784.96 is: 71,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,694.08 : 190,008.72 = 47,784.96 : x
  2. Step 2: Convert to fraction form
    126,694.08/190,008.72 = 47,784.96/x
  3. Step 3: Cross multiply
    126,694.08x = 190,008.72 × 47,784.96
  4. Step 4: Simplify right side
    126,694.08x = 9,079,559,084.85
  5. Step 5: Solve for x
    x = 9,079,559,084.85/126,694.08
  6. Step 6: Final answer
    x = 71,665.22

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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.