Home / 140,927.77-211,110-84,737.11

Finding the Fourth Proportional to 140,927.77, 211,110 and 84,737.11

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Solution

The fourth proportional to 140,927.77, 211,110 and 84,737.11 is: 126,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,927.77 : 211,110 = 84,737.11 : x
  2. Step 2: Convert to fraction form
    140,927.77/211,110 = 84,737.11/x
  3. Step 3: Cross multiply
    140,927.77x = 211,110 × 84,737.11
  4. Step 4: Simplify right side
    140,927.77x = 17,888,850,764.33
  5. Step 5: Solve for x
    x = 17,888,850,764.33/140,927.77
  6. Step 6: Final answer
    x = 126,936.31

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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.