Home / 250,369.29-345,511.31-137,196.09

Finding the Fourth Proportional to 250,369.29, 345,511.31 and 137,196.09

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Solution

The fourth proportional to 250,369.29, 345,511.31 and 137,196.09 is: 189,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,369.29 : 345,511.31 = 137,196.09 : x
  2. Step 2: Convert to fraction form
    250,369.29/345,511.31 = 137,196.09/x
  3. Step 3: Cross multiply
    250,369.29x = 345,511.31 × 137,196.09
  4. Step 4: Simplify right side
    250,369.29x = 47,402,800,096.80
  5. Step 5: Solve for x
    x = 47,402,800,096.80/250,369.29
  6. Step 6: Final answer
    x = 189,331.53

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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.