Home / 135,886.88-187,517.59-75,461.36

Finding the Fourth Proportional to 135,886.88, 187,517.59 and 75,461.36

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Solution

The fourth proportional to 135,886.88, 187,517.59 and 75,461.36 is: 104,133.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,886.88 : 187,517.59 = 75,461.36 : x
  2. Step 2: Convert to fraction form
    135,886.88/187,517.59 = 75,461.36/x
  3. Step 3: Cross multiply
    135,886.88x = 187,517.59 × 75,461.36
  4. Step 4: Simplify right side
    135,886.88x = 14,150,331,239.08
  5. Step 5: Solve for x
    x = 14,150,331,239.08/135,886.88
  6. Step 6: Final answer
    x = 104,133.17

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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.