Home / 135,718.44-187,291.22-75,298.29

Finding the Fourth Proportional to 135,718.44, 187,291.22 and 75,298.29

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Solution

The fourth proportional to 135,718.44, 187,291.22 and 75,298.29 is: 103,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718.44 : 187,291.22 = 75,298.29 : x
  2. Step 2: Convert to fraction form
    135,718.44/187,291.22 = 75,298.29/x
  3. Step 3: Cross multiply
    135,718.44x = 187,291.22 × 75,298.29
  4. Step 4: Simplify right side
    135,718.44x = 14,102,708,598.01
  5. Step 5: Solve for x
    x = 14,102,708,598.01/135,718.44
  6. Step 6: Final answer
    x = 103,911.51

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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.