Home / 136,217.26-187,975.09-74,957.73

Finding the Fourth Proportional to 136,217.26, 187,975.09 and 74,957.73

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Solution

The fourth proportional to 136,217.26, 187,975.09 and 74,957.73 is: 103,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.26 : 187,975.09 = 74,957.73 : x
  2. Step 2: Convert to fraction form
    136,217.26/187,975.09 = 74,957.73/x
  3. Step 3: Cross multiply
    136,217.26x = 187,975.09 × 74,957.73
  4. Step 4: Simplify right side
    136,217.26x = 14,090,186,042.95
  5. Step 5: Solve for x
    x = 14,090,186,042.95/136,217.26
  6. Step 6: Final answer
    x = 103,439.07

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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.