Home / 135,915.03-187,560.36-75,483.36

Finding the Fourth Proportional to 135,915.03, 187,560.36 and 75,483.36

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Solution

The fourth proportional to 135,915.03, 187,560.36 and 75,483.36 is: 104,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,915.03 : 187,560.36 = 75,483.36 : x
  2. Step 2: Convert to fraction form
    135,915.03/187,560.36 = 75,483.36/x
  3. Step 3: Cross multiply
    135,915.03x = 187,560.36 × 75,483.36
  4. Step 4: Simplify right side
    135,915.03x = 14,157,686,175.61
  5. Step 5: Solve for x
    x = 14,157,686,175.61/135,915.03
  6. Step 6: Final answer
    x = 104,165.71

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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.