Home / 228,140.42-314,845.58-131,358.65

Finding the Fourth Proportional to 228,140.42, 314,845.58 and 131,358.65

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Solution

The fourth proportional to 228,140.42, 314,845.58 and 131,358.65 is: 181,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,140.42 : 314,845.58 = 131,358.65 : x
  2. Step 2: Convert to fraction form
    228,140.42/314,845.58 = 131,358.65/x
  3. Step 3: Cross multiply
    228,140.42x = 314,845.58 × 131,358.65
  4. Step 4: Simplify right side
    228,140.42x = 41,357,689,101.44
  5. Step 5: Solve for x
    x = 41,357,689,101.44/228,140.42
  6. Step 6: Final answer
    x = 181,281.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.