Home / 139,785.14-209,502.75-110,085.68

Finding the Fourth Proportional to 139,785.14, 209,502.75 and 110,085.68

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Solution

The fourth proportional to 139,785.14, 209,502.75 and 110,085.68 is: 164,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,785.14 : 209,502.75 = 110,085.68 : x
  2. Step 2: Convert to fraction form
    139,785.14/209,502.75 = 110,085.68/x
  3. Step 3: Cross multiply
    139,785.14x = 209,502.75 × 110,085.68
  4. Step 4: Simplify right side
    139,785.14x = 23,063,253,632.20
  5. Step 5: Solve for x
    x = 23,063,253,632.20/139,785.14
  6. Step 6: Final answer
    x = 164,990.74

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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.