Home / 163,545.39-245,318.09-51,226.56

Finding the Fourth Proportional to 163,545.39, 245,318.09 and 51,226.56

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Solution

The fourth proportional to 163,545.39, 245,318.09 and 51,226.56 is: 76,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.39 : 245,318.09 = 51,226.56 : x
  2. Step 2: Convert to fraction form
    163,545.39/245,318.09 = 51,226.56/x
  3. Step 3: Cross multiply
    163,545.39x = 245,318.09 × 51,226.56
  4. Step 4: Simplify right side
    163,545.39x = 12,566,801,600.34
  5. Step 5: Solve for x
    x = 12,566,801,600.34/163,545.39
  6. Step 6: Final answer
    x = 76,839.84

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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.