Home / 136,578.72-204,867.81-43,091.76

Finding the Fourth Proportional to 136,578.72, 204,867.81 and 43,091.76

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Solution

The fourth proportional to 136,578.72, 204,867.81 and 43,091.76 is: 64,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,578.72 : 204,867.81 = 43,091.76 : x
  2. Step 2: Convert to fraction form
    136,578.72/204,867.81 = 43,091.76/x
  3. Step 3: Cross multiply
    136,578.72x = 204,867.81 × 43,091.76
  4. Step 4: Simplify right side
    136,578.72x = 8,828,114,500.25
  5. Step 5: Solve for x
    x = 8,828,114,500.25/136,578.72
  6. Step 6: Final answer
    x = 64,637.55

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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.