Home / 166,215.78-250,445.66-137,281.77

Finding the Fourth Proportional to 166,215.78, 250,445.66 and 137,281.77

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Solution

The fourth proportional to 166,215.78, 250,445.66 and 137,281.77 is: 206,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,215.78 : 250,445.66 = 137,281.77 : x
  2. Step 2: Convert to fraction form
    166,215.78/250,445.66 = 137,281.77/x
  3. Step 3: Cross multiply
    166,215.78x = 250,445.66 × 137,281.77
  4. Step 4: Simplify right side
    166,215.78x = 34,381,622,807.21
  5. Step 5: Solve for x
    x = 34,381,622,807.21/166,215.78
  6. Step 6: Final answer
    x = 206,849.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.