Home / 135,753.89-187,350.62-75,335.95

Finding the Fourth Proportional to 135,753.89, 187,350.62 and 75,335.95

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Solution

The fourth proportional to 135,753.89, 187,350.62 and 75,335.95 is: 103,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,753.89 : 187,350.62 = 75,335.95 : x
  2. Step 2: Convert to fraction form
    135,753.89/187,350.62 = 75,335.95/x
  3. Step 3: Cross multiply
    135,753.89x = 187,350.62 × 75,335.95
  4. Step 4: Simplify right side
    135,753.89x = 14,114,237,222.06
  5. Step 5: Solve for x
    x = 14,114,237,222.06/135,753.89
  6. Step 6: Final answer
    x = 103,969.31

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1.5x scale

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.