Home / 136,015.21-187,701.08-75,591.48

Finding the Fourth Proportional to 136,015.21, 187,701.08 and 75,591.48

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Solution

The fourth proportional to 136,015.21, 187,701.08 and 75,591.48 is: 104,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.21 : 187,701.08 = 75,591.48 : x
  2. Step 2: Convert to fraction form
    136,015.21/187,701.08 = 75,591.48/x
  3. Step 3: Cross multiply
    136,015.21x = 187,701.08 × 75,591.48
  4. Step 4: Simplify right side
    136,015.21x = 14,188,602,434.80
  5. Step 5: Solve for x
    x = 14,188,602,434.80/136,015.21
  6. Step 6: Final answer
    x = 104,316.29

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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.