Home / 103,171.43-142,366.73-57,839.01

Finding the Fourth Proportional to 103,171.43, 142,366.73 and 57,839.01

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Solution

The fourth proportional to 103,171.43, 142,366.73 and 57,839.01 is: 79,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,171.43 : 142,366.73 = 57,839.01 : x
  2. Step 2: Convert to fraction form
    103,171.43/142,366.73 = 57,839.01/x
  3. Step 3: Cross multiply
    103,171.43x = 142,366.73 × 57,839.01
  4. Step 4: Simplify right side
    103,171.43x = 8,234,350,430.94
  5. Step 5: Solve for x
    x = 8,234,350,430.94/103,171.43
  6. Step 6: Final answer
    x = 79,812.32

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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.