Home / 135,614.36-187,153.74-75,181.16

Finding the Fourth Proportional to 135,614.36, 187,153.74 and 75,181.16

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Solution

The fourth proportional to 135,614.36, 187,153.74 and 75,181.16 is: 103,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,614.36 : 187,153.74 = 75,181.16 : x
  2. Step 2: Convert to fraction form
    135,614.36/187,153.74 = 75,181.16/x
  3. Step 3: Cross multiply
    135,614.36x = 187,153.74 × 75,181.16
  4. Step 4: Simplify right side
    135,614.36x = 14,070,435,739.42
  5. Step 5: Solve for x
    x = 14,070,435,739.42/135,614.36
  6. Step 6: Final answer
    x = 103,753.29

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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.