Home / 216,267.78-323,966.70-107,870.34

Finding the Fourth Proportional to 216,267.78, 323,966.70 and 107,870.34

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Solution

The fourth proportional to 216,267.78, 323,966.70 and 107,870.34 is: 161,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,267.78 : 323,966.70 = 107,870.34 : x
  2. Step 2: Convert to fraction form
    216,267.78/323,966.70 = 107,870.34/x
  3. Step 3: Cross multiply
    216,267.78x = 323,966.70 × 107,870.34
  4. Step 4: Simplify right side
    216,267.78x = 34,946,398,077.68
  5. Step 5: Solve for x
    x = 34,946,398,077.68/216,267.78
  6. Step 6: Final answer
    x = 161,588.56

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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.