Home / 105,214.26-157,896.82-71,395.94

Finding the Fourth Proportional to 105,214.26, 157,896.82 and 71,395.94

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Solution

The fourth proportional to 105,214.26, 157,896.82 and 71,395.94 is: 107,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.26 : 157,896.82 = 71,395.94 : x
  2. Step 2: Convert to fraction form
    105,214.26/157,896.82 = 71,395.94/x
  3. Step 3: Cross multiply
    105,214.26x = 157,896.82 × 71,395.94
  4. Step 4: Simplify right side
    105,214.26x = 11,273,191,886.91
  5. Step 5: Solve for x
    x = 11,273,191,886.91/105,214.26
  6. Step 6: Final answer
    x = 107,145.10

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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.