Home / 188,734.49-260,445.75-102,693.80

Finding the Fourth Proportional to 188,734.49, 260,445.75 and 102,693.80

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Solution

The fourth proportional to 188,734.49, 260,445.75 and 102,693.80 is: 141,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,734.49 : 260,445.75 = 102,693.80 : x
  2. Step 2: Convert to fraction form
    188,734.49/260,445.75 = 102,693.80/x
  3. Step 3: Cross multiply
    188,734.49x = 260,445.75 × 102,693.80
  4. Step 4: Simplify right side
    188,734.49x = 26,746,164,412.46
  5. Step 5: Solve for x
    x = 26,746,164,412.46/188,734.49
  6. Step 6: Final answer
    x = 141,713.18

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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.