Home / 135,672.20-187,239.14-75,262.31

Finding the Fourth Proportional to 135,672.20, 187,239.14 and 75,262.31

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Solution

The fourth proportional to 135,672.20, 187,239.14 and 75,262.31 is: 103,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,672.20 : 187,239.14 = 75,262.31 : x
  2. Step 2: Convert to fraction form
    135,672.20/187,239.14 = 75,262.31/x
  3. Step 3: Cross multiply
    135,672.20x = 187,239.14 × 75,262.31
  4. Step 4: Simplify right side
    135,672.20x = 14,092,048,886.31
  5. Step 5: Solve for x
    x = 14,092,048,886.31/135,672.20
  6. Step 6: Final answer
    x = 103,868.36

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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.