Home / 135,802.26-187,404.30-75,369.36

Finding the Fourth Proportional to 135,802.26, 187,404.30 and 75,369.36

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Solution

The fourth proportional to 135,802.26, 187,404.30 and 75,369.36 is: 104,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,802.26 : 187,404.30 = 75,369.36 : x
  2. Step 2: Convert to fraction form
    135,802.26/187,404.30 = 75,369.36/x
  3. Step 3: Cross multiply
    135,802.26x = 187,404.30 × 75,369.36
  4. Step 4: Simplify right side
    135,802.26x = 14,124,542,152.25
  5. Step 5: Solve for x
    x = 14,124,542,152.25/135,802.26
  6. Step 6: Final answer
    x = 104,008.15

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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.