Home / 217,285.23-325,913.85-75,126.63

Finding the Fourth Proportional to 217,285.23, 325,913.85 and 75,126.63

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Solution

The fourth proportional to 217,285.23, 325,913.85 and 75,126.63 is: 112,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,285.23 : 325,913.85 = 75,126.63 : x
  2. Step 2: Convert to fraction form
    217,285.23/325,913.85 = 75,126.63/x
  3. Step 3: Cross multiply
    217,285.23x = 325,913.85 × 75,126.63
  4. Step 4: Simplify right side
    217,285.23x = 24,484,809,220.83
  5. Step 5: Solve for x
    x = 24,484,809,220.83/217,285.23
  6. Step 6: Final answer
    x = 112,685.11

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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.