Home / 250,260.85-345,360.12-137,085.49

Finding the Fourth Proportional to 250,260.85, 345,360.12 and 137,085.49

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Solution

The fourth proportional to 250,260.85, 345,360.12 and 137,085.49 is: 189,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,260.85 : 345,360.12 = 137,085.49 : x
  2. Step 2: Convert to fraction form
    250,260.85/345,360.12 = 137,085.49/x
  3. Step 3: Cross multiply
    250,260.85x = 345,360.12 × 137,085.49
  4. Step 4: Simplify right side
    250,260.85x = 47,343,858,864.43
  5. Step 5: Solve for x
    x = 47,343,858,864.43/250,260.85
  6. Step 6: Final answer
    x = 189,178.05

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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.