Home / 188,473.33-260,095.20-102,432.31

Finding the Fourth Proportional to 188,473.33, 260,095.20 and 102,432.31

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Solution

The fourth proportional to 188,473.33, 260,095.20 and 102,432.31 is: 141,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,473.33 : 260,095.20 = 102,432.31 : x
  2. Step 2: Convert to fraction form
    188,473.33/260,095.20 = 102,432.31/x
  3. Step 3: Cross multiply
    188,473.33x = 260,095.20 × 102,432.31
  4. Step 4: Simplify right side
    188,473.33x = 26,642,151,505.67
  5. Step 5: Solve for x
    x = 26,642,151,505.67/188,473.33
  6. Step 6: Final answer
    x = 141,357.68

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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.