Home / 188,048.63-259,511.18-103,165.70

Finding the Fourth Proportional to 188,048.63, 259,511.18 and 103,165.70

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Solution

The fourth proportional to 188,048.63, 259,511.18 and 103,165.70 is: 142,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,048.63 : 259,511.18 = 103,165.70 : x
  2. Step 2: Convert to fraction form
    188,048.63/259,511.18 = 103,165.70/x
  3. Step 3: Cross multiply
    188,048.63x = 259,511.18 × 103,165.70
  4. Step 4: Simplify right side
    188,048.63x = 26,772,650,729.14
  5. Step 5: Solve for x
    x = 26,772,650,729.14/188,048.63
  6. Step 6: Final answer
    x = 142,370.89

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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.