Home / 203,865.10-305,773.86-54,117.02

Finding the Fourth Proportional to 203,865.10, 305,773.86 and 54,117.02

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Solution

The fourth proportional to 203,865.10, 305,773.86 and 54,117.02 is: 81,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,865.10 : 305,773.86 = 54,117.02 : x
  2. Step 2: Convert to fraction form
    203,865.10/305,773.86 = 54,117.02/x
  3. Step 3: Cross multiply
    203,865.10x = 305,773.86 × 54,117.02
  4. Step 4: Simplify right side
    203,865.10x = 16,547,570,097.10
  5. Step 5: Solve for x
    x = 16,547,570,097.10/203,865.10
  6. Step 6: Final answer
    x = 81,169.22

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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.