Home / 263,580.75-363,741.63-142,722.12

Finding the Fourth Proportional to 263,580.75, 363,741.63 and 142,722.12

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Solution

The fourth proportional to 263,580.75, 363,741.63 and 142,722.12 is: 196,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,580.75 : 363,741.63 = 142,722.12 : x
  2. Step 2: Convert to fraction form
    263,580.75/363,741.63 = 142,722.12/x
  3. Step 3: Cross multiply
    263,580.75x = 363,741.63 × 142,722.12
  4. Step 4: Simplify right side
    263,580.75x = 51,913,976,565.86
  5. Step 5: Solve for x
    x = 51,913,976,565.86/263,580.75
  6. Step 6: Final answer
    x = 196,956.63

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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.