Home / 250,439.25-345,628.05-137,283.87

Finding the Fourth Proportional to 250,439.25, 345,628.05 and 137,283.87

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Solution

The fourth proportional to 250,439.25, 345,628.05 and 137,283.87 is: 189,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,439.25 : 345,628.05 = 137,283.87 : x
  2. Step 2: Convert to fraction form
    250,439.25/345,628.05 = 137,283.87/x
  3. Step 3: Cross multiply
    250,439.25x = 345,628.05 × 137,283.87
  4. Step 4: Simplify right side
    250,439.25x = 47,449,156,284.55
  5. Step 5: Solve for x
    x = 47,449,156,284.55/250,439.25
  6. Step 6: Final answer
    x = 189,463.74

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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.