Home / 119,174.16-178,761.06-30,427.68

Finding the Fourth Proportional to 119,174.16, 178,761.06 and 30,427.68

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Solution

The fourth proportional to 119,174.16, 178,761.06 and 30,427.68 is: 45,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,174.16 : 178,761.06 = 30,427.68 : x
  2. Step 2: Convert to fraction form
    119,174.16/178,761.06 = 30,427.68/x
  3. Step 3: Cross multiply
    119,174.16x = 178,761.06 × 30,427.68
  4. Step 4: Simplify right side
    119,174.16x = 5,439,284,330.14
  5. Step 5: Solve for x
    x = 5,439,284,330.14/119,174.16
  6. Step 6: Final answer
    x = 45,641.47

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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.