Home / 70,777.77-106,166.66-18,187.31

Finding the Fourth Proportional to 70,777.77, 106,166.66 and 18,187.31

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Solution

The fourth proportional to 70,777.77, 106,166.66 and 18,187.31 is: 27,280.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,777.77 : 106,166.66 = 18,187.31 : x
  2. Step 2: Convert to fraction form
    70,777.77/106,166.66 = 18,187.31/x
  3. Step 3: Cross multiply
    70,777.77x = 106,166.66 × 18,187.31
  4. Step 4: Simplify right side
    70,777.77x = 1,930,885,335.31
  5. Step 5: Solve for x
    x = 1,930,885,335.31/70,777.77
  6. Step 6: Final answer
    x = 27,280.96

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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.