Home / 136,087.50-187,790.09-75,654.46

Finding the Fourth Proportional to 136,087.50, 187,790.09 and 75,654.46

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Solution

The fourth proportional to 136,087.50, 187,790.09 and 75,654.46 is: 104,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,087.50 : 187,790.09 = 75,654.46 : x
  2. Step 2: Convert to fraction form
    136,087.50/187,790.09 = 75,654.46/x
  3. Step 3: Cross multiply
    136,087.50x = 187,790.09 × 75,654.46
  4. Step 4: Simplify right side
    136,087.50x = 14,207,157,852.30
  5. Step 5: Solve for x
    x = 14,207,157,852.30/136,087.50
  6. Step 6: Final answer
    x = 104,397.23

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1.5x scale

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.