Home / 188,867.19-260,870.77-137,101.67

Finding the Fourth Proportional to 188,867.19, 260,870.77 and 137,101.67

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Solution

The fourth proportional to 188,867.19, 260,870.77 and 137,101.67 is: 189,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867.19 : 260,870.77 = 137,101.67 : x
  2. Step 2: Convert to fraction form
    188,867.19/260,870.77 = 137,101.67/x
  3. Step 3: Cross multiply
    188,867.19x = 260,870.77 × 137,101.67
  4. Step 4: Simplify right side
    188,867.19x = 35,765,818,221.19
  5. Step 5: Solve for x
    x = 35,765,818,221.19/188,867.19
  6. Step 6: Final answer
    x = 189,370.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.