Home / 136,214.80-187,960.09-75,770.17

Finding the Fourth Proportional to 136,214.80, 187,960.09 and 75,770.17

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Solution

The fourth proportional to 136,214.80, 187,960.09 and 75,770.17 is: 104,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,214.80 : 187,960.09 = 75,770.17 : x
  2. Step 2: Convert to fraction form
    136,214.80/187,960.09 = 75,770.17/x
  3. Step 3: Cross multiply
    136,214.80x = 187,960.09 × 75,770.17
  4. Step 4: Simplify right side
    136,214.80x = 14,241,766,653.86
  5. Step 5: Solve for x
    x = 14,241,766,653.86/136,214.80
  6. Step 6: Final answer
    x = 104,553.74

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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.