Home / 84,127.17-126,066.09-34,146.45

Finding the Fourth Proportional to 84,127.17, 126,066.09 and 34,146.45

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Solution

The fourth proportional to 84,127.17, 126,066.09 and 34,146.45 is: 51,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.17 : 126,066.09 = 34,146.45 : x
  2. Step 2: Convert to fraction form
    84,127.17/126,066.09 = 34,146.45/x
  3. Step 3: Cross multiply
    84,127.17x = 126,066.09 × 34,146.45
  4. Step 4: Simplify right side
    84,127.17x = 4,304,709,438.88
  5. Step 5: Solve for x
    x = 4,304,709,438.88/84,127.17
  6. Step 6: Final answer
    x = 51,169.07

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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.