Home / 105,213.36-157,828.05-35,092.74

Finding the Fourth Proportional to 105,213.36, 157,828.05 and 35,092.74

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Solution

The fourth proportional to 105,213.36, 157,828.05 and 35,092.74 is: 52,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,213.36 : 157,828.05 = 35,092.74 : x
  2. Step 2: Convert to fraction form
    105,213.36/157,828.05 = 35,092.74/x
  3. Step 3: Cross multiply
    105,213.36x = 157,828.05 × 35,092.74
  4. Step 4: Simplify right side
    105,213.36x = 5,538,618,723.36
  5. Step 5: Solve for x
    x = 5,538,618,723.36/105,213.36
  6. Step 6: Final answer
    x = 52,641.78

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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.