Home / 193,875.19-290,812.89-88,620.34

Finding the Fourth Proportional to 193,875.19, 290,812.89 and 88,620.34

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Solution

The fourth proportional to 193,875.19, 290,812.89 and 88,620.34 is: 132,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,875.19 : 290,812.89 = 88,620.34 : x
  2. Step 2: Convert to fraction form
    193,875.19/290,812.89 = 88,620.34/x
  3. Step 3: Cross multiply
    193,875.19x = 290,812.89 × 88,620.34
  4. Step 4: Simplify right side
    193,875.19x = 25,771,937,188.18
  5. Step 5: Solve for x
    x = 25,771,937,188.18/193,875.19
  6. Step 6: Final answer
    x = 132,930.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.