Home / 119,155.46-178,733.08-30,408.95

Finding the Fourth Proportional to 119,155.46, 178,733.08 and 30,408.95

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Solution

The fourth proportional to 119,155.46, 178,733.08 and 30,408.95 is: 45,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,155.46 : 178,733.08 = 30,408.95 : x
  2. Step 2: Convert to fraction form
    119,155.46/178,733.08 = 30,408.95/x
  3. Step 3: Cross multiply
    119,155.46x = 178,733.08 × 30,408.95
  4. Step 4: Simplify right side
    119,155.46x = 5,435,085,777.91
  5. Step 5: Solve for x
    x = 5,435,085,777.91/119,155.46
  6. Step 6: Final answer
    x = 45,613.40

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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.