Home / 175,975.62-262,996.82-128,689.98

Finding the Fourth Proportional to 175,975.62, 262,996.82 and 128,689.98

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Solution

The fourth proportional to 175,975.62, 262,996.82 and 128,689.98 is: 192,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,975.62 : 262,996.82 = 128,689.98 : x
  2. Step 2: Convert to fraction form
    175,975.62/262,996.82 = 128,689.98/x
  3. Step 3: Cross multiply
    175,975.62x = 262,996.82 × 128,689.98
  4. Step 4: Simplify right side
    175,975.62x = 33,845,054,862.41
  5. Step 5: Solve for x
    x = 33,845,054,862.41/175,975.62
  6. Step 6: Final answer
    x = 192,328.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.