Home / 250,279.32-345,410.22-142,865.50

Finding the Fourth Proportional to 250,279.32, 345,410.22 and 142,865.50

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Solution

The fourth proportional to 250,279.32, 345,410.22 and 142,865.50 is: 197,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,279.32 : 345,410.22 = 142,865.50 : x
  2. Step 2: Convert to fraction form
    250,279.32/345,410.22 = 142,865.50/x
  3. Step 3: Cross multiply
    250,279.32x = 345,410.22 × 142,865.50
  4. Step 4: Simplify right side
    250,279.32x = 49,347,203,133.81
  5. Step 5: Solve for x
    x = 49,347,203,133.81/250,279.32
  6. Step 6: Final answer
    x = 197,168.52

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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.