Home / 119,025.83-178,539.75-30,279.41

Finding the Fourth Proportional to 119,025.83, 178,539.75 and 30,279.41

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Solution

The fourth proportional to 119,025.83, 178,539.75 and 30,279.41 is: 45,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,025.83 : 178,539.75 = 30,279.41 : x
  2. Step 2: Convert to fraction form
    119,025.83/178,539.75 = 30,279.41/x
  3. Step 3: Cross multiply
    119,025.83x = 178,539.75 × 30,279.41
  4. Step 4: Simplify right side
    119,025.83x = 5,406,077,398.85
  5. Step 5: Solve for x
    x = 5,406,077,398.85/119,025.83
  6. Step 6: Final answer
    x = 45,419.37

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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.