Home / 140,005.73-209,924.15-55,778.89

Finding the Fourth Proportional to 140,005.73, 209,924.15 and 55,778.89

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Solution

The fourth proportional to 140,005.73, 209,924.15 and 55,778.89 is: 83,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,005.73 : 209,924.15 = 55,778.89 : x
  2. Step 2: Convert to fraction form
    140,005.73/209,924.15 = 55,778.89/x
  3. Step 3: Cross multiply
    140,005.73x = 209,924.15 × 55,778.89
  4. Step 4: Simplify right side
    140,005.73x = 11,709,336,071.19
  5. Step 5: Solve for x
    x = 11,709,336,071.19/140,005.73
  6. Step 6: Final answer
    x = 83,634.69

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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.