Home / 250,256.88-345,351.06-142,889.76

Finding the Fourth Proportional to 250,256.88, 345,351.06 and 142,889.76

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Solution

The fourth proportional to 250,256.88, 345,351.06 and 142,889.76 is: 197,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,256.88 : 345,351.06 = 142,889.76 : x
  2. Step 2: Convert to fraction form
    250,256.88/345,351.06 = 142,889.76/x
  3. Step 3: Cross multiply
    250,256.88x = 345,351.06 × 142,889.76
  4. Step 4: Simplify right side
    250,256.88x = 49,347,130,079.15
  5. Step 5: Solve for x
    x = 49,347,130,079.15/250,256.88
  6. Step 6: Final answer
    x = 197,185.91

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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.