Home / 126,897.84-175,137.39-73,172.16

Finding the Fourth Proportional to 126,897.84, 175,137.39 and 73,172.16

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Solution

The fourth proportional to 126,897.84, 175,137.39 and 73,172.16 is: 100,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,897.84 : 175,137.39 = 73,172.16 : x
  2. Step 2: Convert to fraction form
    126,897.84/175,137.39 = 73,172.16/x
  3. Step 3: Cross multiply
    126,897.84x = 175,137.39 × 73,172.16
  4. Step 4: Simplify right side
    126,897.84x = 12,815,181,123.06
  5. Step 5: Solve for x
    x = 12,815,181,123.06/126,897.84
  6. Step 6: Final answer
    x = 100,988.17

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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.