Home / 119,177.43-178,765.99-30,430.89

Finding the Fourth Proportional to 119,177.43, 178,765.99 and 30,430.89

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Solution

The fourth proportional to 119,177.43, 178,765.99 and 30,430.89 is: 45,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,177.43 : 178,765.99 = 30,430.89 : x
  2. Step 2: Convert to fraction form
    119,177.43/178,765.99 = 30,430.89/x
  3. Step 3: Cross multiply
    119,177.43x = 178,765.99 × 30,430.89
  4. Step 4: Simplify right side
    119,177.43x = 5,440,008,101.35
  5. Step 5: Solve for x
    x = 5,440,008,101.35/119,177.43
  6. Step 6: Final answer
    x = 45,646.30

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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.