Home / 250,622.28-345,859.20-137,445.84

Finding the Fourth Proportional to 250,622.28, 345,859.20 and 137,445.84

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Solution

The fourth proportional to 250,622.28, 345,859.20 and 137,445.84 is: 189,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,622.28 : 345,859.20 = 137,445.84 : x
  2. Step 2: Convert to fraction form
    250,622.28/345,859.20 = 137,445.84/x
  3. Step 3: Cross multiply
    250,622.28x = 345,859.20 × 137,445.84
  4. Step 4: Simplify right side
    250,622.28x = 47,536,908,265.73
  5. Step 5: Solve for x
    x = 47,536,908,265.73/250,622.28
  6. Step 6: Final answer
    x = 189,675.51

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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.