Home / 188,429.03-260,034.11-103,546.08

Finding the Fourth Proportional to 188,429.03, 260,034.11 and 103,546.08

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Solution

The fourth proportional to 188,429.03, 260,034.11 and 103,546.08 is: 142,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,429.03 : 260,034.11 = 103,546.08 : x
  2. Step 2: Convert to fraction form
    188,429.03/260,034.11 = 103,546.08/x
  3. Step 3: Cross multiply
    188,429.03x = 260,034.11 × 103,546.08
  4. Step 4: Simplify right side
    188,429.03x = 26,925,512,756.79
  5. Step 5: Solve for x
    x = 26,925,512,756.79/188,429.03
  6. Step 6: Final answer
    x = 142,894.72

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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.