Home / 263,066.54-363,031.35-142,207.90

Finding the Fourth Proportional to 263,066.54, 363,031.35 and 142,207.90

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Solution

The fourth proportional to 263,066.54, 363,031.35 and 142,207.90 is: 196,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,066.54 : 363,031.35 = 142,207.90 : x
  2. Step 2: Convert to fraction form
    263,066.54/363,031.35 = 142,207.90/x
  3. Step 3: Cross multiply
    263,066.54x = 363,031.35 × 142,207.90
  4. Step 4: Simplify right side
    263,066.54x = 51,625,925,917.67
  5. Step 5: Solve for x
    x = 51,625,925,917.67/263,066.54
  6. Step 6: Final answer
    x = 196,246.65

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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.