Home / 250,295.44-345,416.50-137,118.18

Finding the Fourth Proportional to 250,295.44, 345,416.50 and 137,118.18

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Solution

The fourth proportional to 250,295.44, 345,416.50 and 137,118.18 is: 189,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,295.44 : 345,416.50 = 137,118.18 : x
  2. Step 2: Convert to fraction form
    250,295.44/345,416.50 = 137,118.18/x
  3. Step 3: Cross multiply
    250,295.44x = 345,416.50 × 137,118.18
  4. Step 4: Simplify right side
    250,295.44x = 47,362,881,821.97
  5. Step 5: Solve for x
    x = 47,362,881,821.97/250,295.44
  6. Step 6: Final answer
    x = 189,227.91

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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.