Home / 188,412.48-260,010.08-103,531.20

Finding the Fourth Proportional to 188,412.48, 260,010.08 and 103,531.20

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Solution

The fourth proportional to 188,412.48, 260,010.08 and 103,531.20 is: 142,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,412.48 : 260,010.08 = 103,531.20 : x
  2. Step 2: Convert to fraction form
    188,412.48/260,010.08 = 103,531.20/x
  3. Step 3: Cross multiply
    188,412.48x = 260,010.08 × 103,531.20
  4. Step 4: Simplify right side
    188,412.48x = 26,919,155,594.50
  5. Step 5: Solve for x
    x = 26,919,155,594.50/188,412.48
  6. Step 6: Final answer
    x = 142,873.53

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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.