Home / 102,864.87-154,057.38-100,026.60

Finding the Fourth Proportional to 102,864.87, 154,057.38 and 100,026.60

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Solution

The fourth proportional to 102,864.87, 154,057.38 and 100,026.60 is: 149,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,864.87 : 154,057.38 = 100,026.60 : x
  2. Step 2: Convert to fraction form
    102,864.87/154,057.38 = 100,026.60/x
  3. Step 3: Cross multiply
    102,864.87x = 154,057.38 × 100,026.60
  4. Step 4: Simplify right side
    102,864.87x = 15,409,834,973.49
  5. Step 5: Solve for x
    x = 15,409,834,973.49/102,864.87
  6. Step 6: Final answer
    x = 149,806.59

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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.