Home / 188,464.63-260,070.19-103,581.76

Finding the Fourth Proportional to 188,464.63, 260,070.19 and 103,581.76

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Solution

The fourth proportional to 188,464.63, 260,070.19 and 103,581.76 is: 142,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,464.63 : 260,070.19 = 103,581.76 : x
  2. Step 2: Convert to fraction form
    188,464.63/260,070.19 = 103,581.76/x
  3. Step 3: Cross multiply
    188,464.63x = 260,070.19 × 103,581.76
  4. Step 4: Simplify right side
    188,464.63x = 26,938,528,003.73
  5. Step 5: Solve for x
    x = 26,938,528,003.73/188,464.63
  6. Step 6: Final answer
    x = 142,936.78

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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.