Home / 119,527.30-179,291.07-30,781

Finding the Fourth Proportional to 119,527.30, 179,291.07 and 30,781

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Solution

The fourth proportional to 119,527.30, 179,291.07 and 30,781 is: 46,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,527.30 : 179,291.07 = 30,781 : x
  2. Step 2: Convert to fraction form
    119,527.30/179,291.07 = 30,781/x
  3. Step 3: Cross multiply
    119,527.30x = 179,291.07 × 30,781
  4. Step 4: Simplify right side
    119,527.30x = 5,518,758,425.67
  5. Step 5: Solve for x
    x = 5,518,758,425.67/119,527.30
  6. Step 6: Final answer
    x = 46,171.53

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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.