Home / 250,711.75-345,988.02-137,534.50

Finding the Fourth Proportional to 250,711.75, 345,988.02 and 137,534.50

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Solution

The fourth proportional to 250,711.75, 345,988.02 and 137,534.50 is: 189,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,711.75 : 345,988.02 = 137,534.50 : x
  2. Step 2: Convert to fraction form
    250,711.75/345,988.02 = 137,534.50/x
  3. Step 3: Cross multiply
    250,711.75x = 345,988.02 × 137,534.50
  4. Step 4: Simplify right side
    250,711.75x = 47,585,289,336.69
  5. Step 5: Solve for x
    x = 47,585,289,336.69/250,711.75
  6. Step 6: Final answer
    x = 189,800.79

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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.