Home / 90,110.02-135,076.75-50,148.06

Finding the Fourth Proportional to 90,110.02, 135,076.75 and 50,148.06

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Solution

The fourth proportional to 90,110.02, 135,076.75 and 50,148.06 is: 75,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.02 : 135,076.75 = 50,148.06 : x
  2. Step 2: Convert to fraction form
    90,110.02/135,076.75 = 50,148.06/x
  3. Step 3: Cross multiply
    90,110.02x = 135,076.75 × 50,148.06
  4. Step 4: Simplify right side
    90,110.02x = 6,773,836,963.61
  5. Step 5: Solve for x
    x = 6,773,836,963.61/90,110.02
  6. Step 6: Final answer
    x = 75,172.96

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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.