Home / 263,214.79-363,236.40-142,356.07

Finding the Fourth Proportional to 263,214.79, 363,236.40 and 142,356.07

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Solution

The fourth proportional to 263,214.79, 363,236.40 and 142,356.07 is: 196,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,214.79 : 363,236.40 = 142,356.07 : x
  2. Step 2: Convert to fraction form
    263,214.79/363,236.40 = 142,356.07/x
  3. Step 3: Cross multiply
    263,214.79x = 363,236.40 × 142,356.07
  4. Step 4: Simplify right side
    263,214.79x = 51,708,906,384.95
  5. Step 5: Solve for x
    x = 51,708,906,384.95/263,214.79
  6. Step 6: Final answer
    x = 196,451.37

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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.