Home / 109,065.30-150,511.14-66,623.81

Finding the Fourth Proportional to 109,065.30, 150,511.14 and 66,623.81

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Solution

The fourth proportional to 109,065.30, 150,511.14 and 66,623.81 is: 91,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,065.30 : 150,511.14 = 66,623.81 : x
  2. Step 2: Convert to fraction form
    109,065.30/150,511.14 = 66,623.81/x
  3. Step 3: Cross multiply
    109,065.30x = 150,511.14 × 66,623.81
  4. Step 4: Simplify right side
    109,065.30x = 10,027,624,841.69
  5. Step 5: Solve for x
    x = 10,027,624,841.69/109,065.30
  6. Step 6: Final answer
    x = 91,941.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.