Home / 135,747.70-187,322.91-75,318.18

Finding the Fourth Proportional to 135,747.70, 187,322.91 and 75,318.18

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Solution

The fourth proportional to 135,747.70, 187,322.91 and 75,318.18 is: 103,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.70 : 187,322.91 = 75,318.18 : x
  2. Step 2: Convert to fraction form
    135,747.70/187,322.91 = 75,318.18/x
  3. Step 3: Cross multiply
    135,747.70x = 187,322.91 × 75,318.18
  4. Step 4: Simplify right side
    135,747.70x = 14,108,820,653.50
  5. Step 5: Solve for x
    x = 14,108,820,653.50/135,747.70
  6. Step 6: Final answer
    x = 103,934.14

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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.