Home / 250,278.95-345,393.57-137,101.70

Finding the Fourth Proportional to 250,278.95, 345,393.57 and 137,101.70

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Solution

The fourth proportional to 250,278.95, 345,393.57 and 137,101.70 is: 189,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,278.95 : 345,393.57 = 137,101.70 : x
  2. Step 2: Convert to fraction form
    250,278.95/345,393.57 = 137,101.70/x
  3. Step 3: Cross multiply
    250,278.95x = 345,393.57 × 137,101.70
  4. Step 4: Simplify right side
    250,278.95x = 47,354,043,889.10
  5. Step 5: Solve for x
    x = 47,354,043,889.10/250,278.95
  6. Step 6: Final answer
    x = 189,205.06

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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.