Home / 136,183.96-204,308.73-42,689.71

Finding the Fourth Proportional to 136,183.96, 204,308.73 and 42,689.71

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Solution

The fourth proportional to 136,183.96, 204,308.73 and 42,689.71 is: 64,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,183.96 : 204,308.73 = 42,689.71 : x
  2. Step 2: Convert to fraction form
    136,183.96/204,308.73 = 42,689.71/x
  3. Step 3: Cross multiply
    136,183.96x = 204,308.73 × 42,689.71
  4. Step 4: Simplify right side
    136,183.96x = 8,721,880,434.17
  5. Step 5: Solve for x
    x = 8,721,880,434.17/136,183.96
  6. Step 6: Final answer
    x = 64,044.84

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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.