Home / 205,468.56-308,227.41-87,124.50

Finding the Fourth Proportional to 205,468.56, 308,227.41 and 87,124.50

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Solution

The fourth proportional to 205,468.56, 308,227.41 and 87,124.50 is: 130,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,468.56 : 308,227.41 = 87,124.50 : x
  2. Step 2: Convert to fraction form
    205,468.56/308,227.41 = 87,124.50/x
  3. Step 3: Cross multiply
    205,468.56x = 308,227.41 × 87,124.50
  4. Step 4: Simplify right side
    205,468.56x = 26,854,158,982.55
  5. Step 5: Solve for x
    x = 26,854,158,982.55/205,468.56
  6. Step 6: Final answer
    x = 130,697.17

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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.