Home / 215,677.56-323,221.08-136,847.16

Finding the Fourth Proportional to 215,677.56, 323,221.08 and 136,847.16

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Solution

The fourth proportional to 215,677.56, 323,221.08 and 136,847.16 is: 205,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,677.56 : 323,221.08 = 136,847.16 : x
  2. Step 2: Convert to fraction form
    215,677.56/323,221.08 = 136,847.16/x
  3. Step 3: Cross multiply
    215,677.56x = 323,221.08 × 136,847.16
  4. Step 4: Simplify right side
    215,677.56x = 44,231,886,850.13
  5. Step 5: Solve for x
    x = 44,231,886,850.13/215,677.56
  6. Step 6: Final answer
    x = 205,083.40

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1.5x scale

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.