Home / 135,934.37-187,641.75-90,595.81

Finding the Fourth Proportional to 135,934.37, 187,641.75 and 90,595.81

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Solution

The fourth proportional to 135,934.37, 187,641.75 and 90,595.81 is: 125,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.37 : 187,641.75 = 90,595.81 : x
  2. Step 2: Convert to fraction form
    135,934.37/187,641.75 = 90,595.81/x
  3. Step 3: Cross multiply
    135,934.37x = 187,641.75 × 90,595.81
  4. Step 4: Simplify right side
    135,934.37x = 16,999,556,768.82
  5. Step 5: Solve for x
    x = 16,999,556,768.82/135,934.37
  6. Step 6: Final answer
    x = 125,057.09

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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.