Home / 250,278.84-345,389.85-137,101.59

Finding the Fourth Proportional to 250,278.84, 345,389.85 and 137,101.59

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Solution

The fourth proportional to 250,278.84, 345,389.85 and 137,101.59 is: 189,202.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,278.84 : 345,389.85 = 137,101.59 : x
  2. Step 2: Convert to fraction form
    250,278.84/345,389.85 = 137,101.59/x
  3. Step 3: Cross multiply
    250,278.84x = 345,389.85 × 137,101.59
  4. Step 4: Simplify right side
    250,278.84x = 47,353,497,604.86
  5. Step 5: Solve for x
    x = 47,353,497,604.86/250,278.84
  6. Step 6: Final answer
    x = 189,202.96

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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.