Home / 117,148.97-161,666.33-63,434.43

Finding the Fourth Proportional to 117,148.97, 161,666.33 and 63,434.43

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Solution

The fourth proportional to 117,148.97, 161,666.33 and 63,434.43 is: 87,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.97 : 161,666.33 = 63,434.43 : x
  2. Step 2: Convert to fraction form
    117,148.97/161,666.33 = 63,434.43/x
  3. Step 3: Cross multiply
    117,148.97x = 161,666.33 × 63,434.43
  4. Step 4: Simplify right side
    117,148.97x = 10,255,211,176.57
  5. Step 5: Solve for x
    x = 10,255,211,176.57/117,148.97
  6. Step 6: Final answer
    x = 87,539.92

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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.