Home / 135,621.01-187,156.66-75,190.10

Finding the Fourth Proportional to 135,621.01, 187,156.66 and 75,190.10

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Solution

The fourth proportional to 135,621.01, 187,156.66 and 75,190.10 is: 103,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,621.01 : 187,156.66 = 75,190.10 : x
  2. Step 2: Convert to fraction form
    135,621.01/187,156.66 = 75,190.10/x
  3. Step 3: Cross multiply
    135,621.01x = 187,156.66 × 75,190.10
  4. Step 4: Simplify right side
    135,621.01x = 14,072,328,260.98
  5. Step 5: Solve for x
    x = 14,072,328,260.98/135,621.01
  6. Step 6: Final answer
    x = 103,762.16

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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.