Home / 119,256.90-178,884.09-30,509.70

Finding the Fourth Proportional to 119,256.90, 178,884.09 and 30,509.70

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Solution

The fourth proportional to 119,256.90, 178,884.09 and 30,509.70 is: 45,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,256.90 : 178,884.09 = 30,509.70 : x
  2. Step 2: Convert to fraction form
    119,256.90/178,884.09 = 30,509.70/x
  3. Step 3: Cross multiply
    119,256.90x = 178,884.09 × 30,509.70
  4. Step 4: Simplify right side
    119,256.90x = 5,457,699,920.67
  5. Step 5: Solve for x
    x = 5,457,699,920.67/119,256.90
  6. Step 6: Final answer
    x = 45,764.23

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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.