Home / 134,812.88-186,109.18-83,842.02

Finding the Fourth Proportional to 134,812.88, 186,109.18 and 83,842.02

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Solution

The fourth proportional to 134,812.88, 186,109.18 and 83,842.02 is: 115,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,812.88 : 186,109.18 = 83,842.02 : x
  2. Step 2: Convert to fraction form
    134,812.88/186,109.18 = 83,842.02/x
  3. Step 3: Cross multiply
    134,812.88x = 186,109.18 × 83,842.02
  4. Step 4: Simplify right side
    134,812.88x = 15,603,769,591.74
  5. Step 5: Solve for x
    x = 15,603,769,591.74/134,812.88
  6. Step 6: Final answer
    x = 115,743.91

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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.