Home / 243,046.45-364,077.60-137,742.40

Finding the Fourth Proportional to 243,046.45, 364,077.60 and 137,742.40

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Solution

The fourth proportional to 243,046.45, 364,077.60 and 137,742.40 is: 206,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,046.45 : 364,077.60 = 137,742.40 : x
  2. Step 2: Convert to fraction form
    243,046.45/364,077.60 = 137,742.40/x
  3. Step 3: Cross multiply
    243,046.45x = 364,077.60 × 137,742.40
  4. Step 4: Simplify right side
    243,046.45x = 50,148,922,410.24
  5. Step 5: Solve for x
    x = 50,148,922,410.24/243,046.45
  6. Step 6: Final answer
    x = 206,334.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.