Home / 250,216.64-345,213.18-142,709.36

Finding the Fourth Proportional to 250,216.64, 345,213.18 and 142,709.36

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Solution

The fourth proportional to 250,216.64, 345,213.18 and 142,709.36 is: 196,889.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,216.64 : 345,213.18 = 142,709.36 : x
  2. Step 2: Convert to fraction form
    250,216.64/345,213.18 = 142,709.36/x
  3. Step 3: Cross multiply
    250,216.64x = 345,213.18 × 142,709.36
  4. Step 4: Simplify right side
    250,216.64x = 49,265,151,981.36
  5. Step 5: Solve for x
    x = 49,265,151,981.36/250,216.64
  6. Step 6: Final answer
    x = 196,889.99

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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.