Home / 250,664.20-345,914.22-137,487.40

Finding the Fourth Proportional to 250,664.20, 345,914.22 and 137,487.40

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Solution

The fourth proportional to 250,664.20, 345,914.22 and 137,487.40 is: 189,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,664.20 : 345,914.22 = 137,487.40 : x
  2. Step 2: Convert to fraction form
    250,664.20/345,914.22 = 137,487.40/x
  3. Step 3: Cross multiply
    250,664.20x = 345,914.22 × 137,487.40
  4. Step 4: Simplify right side
    250,664.20x = 47,558,846,730.83
  5. Step 5: Solve for x
    x = 47,558,846,730.83/250,664.20
  6. Step 6: Final answer
    x = 189,731.31

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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.