Home / 263,535.89-363,679.67-142,677.20

Finding the Fourth Proportional to 263,535.89, 363,679.67 and 142,677.20

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Solution

The fourth proportional to 263,535.89, 363,679.67 and 142,677.20 is: 196,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,535.89 : 363,679.67 = 142,677.20 : x
  2. Step 2: Convert to fraction form
    263,535.89/363,679.67 = 142,677.20/x
  3. Step 3: Cross multiply
    263,535.89x = 363,679.67 × 142,677.20
  4. Step 4: Simplify right side
    263,535.89x = 51,888,798,278.42
  5. Step 5: Solve for x
    x = 51,888,798,278.42/263,535.89
  6. Step 6: Final answer
    x = 196,894.62

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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.