Home / 174,069.28-261,061.53-72,812.60

Finding the Fourth Proportional to 174,069.28, 261,061.53 and 72,812.60

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Solution

The fourth proportional to 174,069.28, 261,061.53 and 72,812.60 is: 109,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,069.28 : 261,061.53 = 72,812.60 : x
  2. Step 2: Convert to fraction form
    174,069.28/261,061.53 = 72,812.60/x
  3. Step 3: Cross multiply
    174,069.28x = 261,061.53 × 72,812.60
  4. Step 4: Simplify right side
    174,069.28x = 19,008,568,759.28
  5. Step 5: Solve for x
    x = 19,008,568,759.28/174,069.28
  6. Step 6: Final answer
    x = 109,201.17

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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.