Home / 119,320.20-178,979.58-30,573.72

Finding the Fourth Proportional to 119,320.20, 178,979.58 and 30,573.72

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Solution

The fourth proportional to 119,320.20, 178,979.58 and 30,573.72 is: 45,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,320.20 : 178,979.58 = 30,573.72 : x
  2. Step 2: Convert to fraction form
    119,320.20/178,979.58 = 30,573.72/x
  3. Step 3: Cross multiply
    119,320.20x = 178,979.58 × 30,573.72
  4. Step 4: Simplify right side
    119,320.20x = 5,472,071,564.64
  5. Step 5: Solve for x
    x = 5,472,071,564.64/119,320.20
  6. Step 6: Final answer
    x = 45,860.40

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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.