Home / 188,238.04-259,768.78-103,360.52

Finding the Fourth Proportional to 188,238.04, 259,768.78 and 103,360.52

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Solution

The fourth proportional to 188,238.04, 259,768.78 and 103,360.52 is: 142,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,238.04 : 259,768.78 = 103,360.52 : x
  2. Step 2: Convert to fraction form
    188,238.04/259,768.78 = 103,360.52/x
  3. Step 3: Cross multiply
    188,238.04x = 259,768.78 × 103,360.52
  4. Step 4: Simplify right side
    188,238.04x = 26,849,836,180.57
  5. Step 5: Solve for x
    x = 26,849,836,180.57/188,238.04
  6. Step 6: Final answer
    x = 142,637.67

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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.