Home / 243,336.96-335,815.20-135,941.76

Finding the Fourth Proportional to 243,336.96, 335,815.20 and 135,941.76

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Solution

The fourth proportional to 243,336.96, 335,815.20 and 135,941.76 is: 187,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,336.96 : 335,815.20 = 135,941.76 : x
  2. Step 2: Convert to fraction form
    243,336.96/335,815.20 = 135,941.76/x
  3. Step 3: Cross multiply
    243,336.96x = 335,815.20 × 135,941.76
  4. Step 4: Simplify right side
    243,336.96x = 45,651,309,322.75
  5. Step 5: Solve for x
    x = 45,651,309,322.75/243,336.96
  6. Step 6: Final answer
    x = 187,605.32

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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.