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Finding the Fourth Proportional to 130,087.84, 179,537.72 and 73,498

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Solution

The fourth proportional to 130,087.84, 179,537.72 and 73,498 is: 101,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,087.84 : 179,537.72 = 73,498 : x
  2. Step 2: Convert to fraction form
    130,087.84/179,537.72 = 73,498/x
  3. Step 3: Cross multiply
    130,087.84x = 179,537.72 × 73,498
  4. Step 4: Simplify right side
    130,087.84x = 13,195,663,344.56
  5. Step 5: Solve for x
    x = 13,195,663,344.56/130,087.84
  6. Step 6: Final answer
    x = 101,436.56

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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.