Home / 135,808.26-187,411.89-75,377.13

Finding the Fourth Proportional to 135,808.26, 187,411.89 and 75,377.13

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Solution

The fourth proportional to 135,808.26, 187,411.89 and 75,377.13 is: 104,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,808.26 : 187,411.89 = 75,377.13 : x
  2. Step 2: Convert to fraction form
    135,808.26/187,411.89 = 75,377.13/x
  3. Step 3: Cross multiply
    135,808.26x = 187,411.89 × 75,377.13
  4. Step 4: Simplify right side
    135,808.26x = 14,126,570,396.08
  5. Step 5: Solve for x
    x = 14,126,570,396.08/135,808.26
  6. Step 6: Final answer
    x = 104,018.49

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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.