Home / 135,822.43-187,426.06-75,390.13

Finding the Fourth Proportional to 135,822.43, 187,426.06 and 75,390.13

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Solution

The fourth proportional to 135,822.43, 187,426.06 and 75,390.13 is: 104,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,822.43 : 187,426.06 = 75,390.13 : x
  2. Step 2: Convert to fraction form
    135,822.43/187,426.06 = 75,390.13/x
  3. Step 3: Cross multiply
    135,822.43x = 187,426.06 × 75,390.13
  4. Step 4: Simplify right side
    135,822.43x = 14,130,075,028.79
  5. Step 5: Solve for x
    x = 14,130,075,028.79/135,822.43
  6. Step 6: Final answer
    x = 104,033.44

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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.