Home / 119,211.96-178,817.76-30,465.48

Finding the Fourth Proportional to 119,211.96, 178,817.76 and 30,465.48

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Solution

The fourth proportional to 119,211.96, 178,817.76 and 30,465.48 is: 45,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,211.96 : 178,817.76 = 30,465.48 : x
  2. Step 2: Convert to fraction form
    119,211.96/178,817.76 = 30,465.48/x
  3. Step 3: Cross multiply
    119,211.96x = 178,817.76 × 30,465.48
  4. Step 4: Simplify right side
    119,211.96x = 5,447,768,890.92
  5. Step 5: Solve for x
    x = 5,447,768,890.92/119,211.96
  6. Step 6: Final answer
    x = 45,698.17

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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.