Home / 135,890.08-187,545.58-82,175.46

Finding the Fourth Proportional to 135,890.08, 187,545.58 and 82,175.46

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Solution

The fourth proportional to 135,890.08, 187,545.58 and 82,175.46 is: 113,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,890.08 : 187,545.58 = 82,175.46 : x
  2. Step 2: Convert to fraction form
    135,890.08/187,545.58 = 82,175.46/x
  3. Step 3: Cross multiply
    135,890.08x = 187,545.58 × 82,175.46
  4. Step 4: Simplify right side
    135,890.08x = 15,411,644,307.47
  5. Step 5: Solve for x
    x = 15,411,644,307.47/135,890.08
  6. Step 6: Final answer
    x = 113,412.58

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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.