Home / 193,829.74-290,688.45-75,474.70

Finding the Fourth Proportional to 193,829.74, 290,688.45 and 75,474.70

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Solution

The fourth proportional to 193,829.74, 290,688.45 and 75,474.70 is: 113,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,829.74 : 290,688.45 = 75,474.70 : x
  2. Step 2: Convert to fraction form
    193,829.74/290,688.45 = 75,474.70/x
  3. Step 3: Cross multiply
    193,829.74x = 290,688.45 × 75,474.70
  4. Step 4: Simplify right side
    193,829.74x = 21,939,623,557.22
  5. Step 5: Solve for x
    x = 21,939,623,557.22/193,829.74
  6. Step 6: Final answer
    x = 113,190.18

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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.