Home / 250,260.80-345,364.32-137,076.20

Finding the Fourth Proportional to 250,260.80, 345,364.32 and 137,076.20

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Solution

The fourth proportional to 250,260.80, 345,364.32 and 137,076.20 is: 189,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,260.80 : 345,364.32 = 137,076.20 : x
  2. Step 2: Convert to fraction form
    250,260.80/345,364.32 = 137,076.20/x
  3. Step 3: Cross multiply
    250,260.80x = 345,364.32 × 137,076.20
  4. Step 4: Simplify right side
    250,260.80x = 47,341,228,601.18
  5. Step 5: Solve for x
    x = 47,341,228,601.18/250,260.80
  6. Step 6: Final answer
    x = 189,167.57

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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.