Home / 131,551.26-197,328.71-42,805.23

Finding the Fourth Proportional to 131,551.26, 197,328.71 and 42,805.23

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Solution

The fourth proportional to 131,551.26, 197,328.71 and 42,805.23 is: 64,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,551.26 : 197,328.71 = 42,805.23 : x
  2. Step 2: Convert to fraction form
    131,551.26/197,328.71 = 42,805.23/x
  3. Step 3: Cross multiply
    131,551.26x = 197,328.71 × 42,805.23
  4. Step 4: Simplify right side
    131,551.26x = 8,446,700,817.15
  5. Step 5: Solve for x
    x = 8,446,700,817.15/131,551.26
  6. Step 6: Final answer
    x = 64,208.44

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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.