Home / 136,084.50-187,806.33-75,655.26

Finding the Fourth Proportional to 136,084.50, 187,806.33 and 75,655.26

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Solution

The fourth proportional to 136,084.50, 187,806.33 and 75,655.26 is: 104,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,084.50 : 187,806.33 = 75,655.26 : x
  2. Step 2: Convert to fraction form
    136,084.50/187,806.33 = 75,655.26/x
  3. Step 3: Cross multiply
    136,084.50x = 187,806.33 × 75,655.26
  4. Step 4: Simplify right side
    136,084.50x = 14,208,536,725.80
  5. Step 5: Solve for x
    x = 14,208,536,725.80/136,084.50
  6. Step 6: Final answer
    x = 104,409.66

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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.