Home / 131,834.63-197,785.56-38,340.38

Finding the Fourth Proportional to 131,834.63, 197,785.56 and 38,340.38

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Solution

The fourth proportional to 131,834.63, 197,785.56 and 38,340.38 is: 57,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,834.63 : 197,785.56 = 38,340.38 : x
  2. Step 2: Convert to fraction form
    131,834.63/197,785.56 = 38,340.38/x
  3. Step 3: Cross multiply
    131,834.63x = 197,785.56 × 38,340.38
  4. Step 4: Simplify right side
    131,834.63x = 7,583,173,528.91
  5. Step 5: Solve for x
    x = 7,583,173,528.91/131,834.63
  6. Step 6: Final answer
    x = 57,520.35

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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.