Home / 119,188.62-178,784.55-30,442.86

Finding the Fourth Proportional to 119,188.62, 178,784.55 and 30,442.86

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Solution

The fourth proportional to 119,188.62, 178,784.55 and 30,442.86 is: 45,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,188.62 : 178,784.55 = 30,442.86 : x
  2. Step 2: Convert to fraction form
    119,188.62/178,784.55 = 30,442.86/x
  3. Step 3: Cross multiply
    119,188.62x = 178,784.55 × 30,442.86
  4. Step 4: Simplify right side
    119,188.62x = 5,442,713,025.81
  5. Step 5: Solve for x
    x = 5,442,713,025.81/119,188.62
  6. Step 6: Final answer
    x = 45,664.70

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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.