Home / 135,863.16-187,497.01-75,433.81

Finding the Fourth Proportional to 135,863.16, 187,497.01 and 75,433.81

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Solution

The fourth proportional to 135,863.16, 187,497.01 and 75,433.81 is: 104,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,863.16 : 187,497.01 = 75,433.81 : x
  2. Step 2: Convert to fraction form
    135,863.16/187,497.01 = 75,433.81/x
  3. Step 3: Cross multiply
    135,863.16x = 187,497.01 × 75,433.81
  4. Step 4: Simplify right side
    135,863.16x = 14,143,613,277.68
  5. Step 5: Solve for x
    x = 14,143,613,277.68/135,863.16
  6. Step 6: Final answer
    x = 104,101.90

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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.