Home / 147,704.46-221,624.73-91,610.34

Finding the Fourth Proportional to 147,704.46, 221,624.73 and 91,610.34

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Solution

The fourth proportional to 147,704.46, 221,624.73 and 91,610.34 is: 137,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,704.46 : 221,624.73 = 91,610.34 : x
  2. Step 2: Convert to fraction form
    147,704.46/221,624.73 = 91,610.34/x
  3. Step 3: Cross multiply
    147,704.46x = 221,624.73 × 91,610.34
  4. Step 4: Simplify right side
    147,704.46x = 20,303,116,867.71
  5. Step 5: Solve for x
    x = 20,303,116,867.71/147,704.46
  6. Step 6: Final answer
    x = 137,457.71

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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.