Home / 113,391.86-170,038.64-34,487.87

Finding the Fourth Proportional to 113,391.86, 170,038.64 and 34,487.87

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Solution

The fourth proportional to 113,391.86, 170,038.64 and 34,487.87 is: 51,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,391.86 : 170,038.64 = 34,487.87 : x
  2. Step 2: Convert to fraction form
    113,391.86/170,038.64 = 34,487.87/x
  3. Step 3: Cross multiply
    113,391.86x = 170,038.64 × 34,487.87
  4. Step 4: Simplify right side
    113,391.86x = 5,864,269,488.66
  5. Step 5: Solve for x
    x = 5,864,269,488.66/113,391.86
  6. Step 6: Final answer
    x = 51,716.85

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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.