Home / 187,855.69-281,875.94-87,998.62

Finding the Fourth Proportional to 187,855.69, 281,875.94 and 87,998.62

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Solution

The fourth proportional to 187,855.69, 281,875.94 and 87,998.62 is: 132,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,855.69 : 281,875.94 = 87,998.62 : x
  2. Step 2: Convert to fraction form
    187,855.69/281,875.94 = 87,998.62/x
  3. Step 3: Cross multiply
    187,855.69x = 281,875.94 × 87,998.62
  4. Step 4: Simplify right side
    187,855.69x = 24,804,691,881.83
  5. Step 5: Solve for x
    x = 24,804,691,881.83/187,855.69
  6. Step 6: Final answer
    x = 132,041.21

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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.