Home / 135,544.11-187,051.97-75,115.74

Finding the Fourth Proportional to 135,544.11, 187,051.97 and 75,115.74

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Solution

The fourth proportional to 135,544.11, 187,051.97 and 75,115.74 is: 103,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,544.11 : 187,051.97 = 75,115.74 : x
  2. Step 2: Convert to fraction form
    135,544.11/187,051.97 = 75,115.74/x
  3. Step 3: Cross multiply
    135,544.11x = 187,051.97 × 75,115.74
  4. Step 4: Simplify right side
    135,544.11x = 14,050,547,611.72
  5. Step 5: Solve for x
    x = 14,050,547,611.72/135,544.11
  6. Step 6: Final answer
    x = 103,660.34

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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.