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Finding the Fourth Proportional to 169,778.12, 254,508.88 and 57,379.74

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Solution

The fourth proportional to 169,778.12, 254,508.88 and 57,379.74 is: 86,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,778.12 : 254,508.88 = 57,379.74 : x
  2. Step 2: Convert to fraction form
    169,778.12/254,508.88 = 57,379.74/x
  3. Step 3: Cross multiply
    169,778.12x = 254,508.88 × 57,379.74
  4. Step 4: Simplify right side
    169,778.12x = 14,603,653,362.09
  5. Step 5: Solve for x
    x = 14,603,653,362.09/169,778.12
  6. Step 6: Final answer
    x = 86,016.11

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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.