Home / 263,656.68-363,844.12-142,795.20

Finding the Fourth Proportional to 263,656.68, 363,844.12 and 142,795.20

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Solution

The fourth proportional to 263,656.68, 363,844.12 and 142,795.20 is: 197,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,656.68 : 363,844.12 = 142,795.20 : x
  2. Step 2: Convert to fraction form
    263,656.68/363,844.12 = 142,795.20/x
  3. Step 3: Cross multiply
    263,656.68x = 363,844.12 × 142,795.20
  4. Step 4: Simplify right side
    263,656.68x = 51,955,193,884.22
  5. Step 5: Solve for x
    x = 51,955,193,884.22/263,656.68
  6. Step 6: Final answer
    x = 197,056.24

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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.