Home / 117,639.09-162,337.61-63,922.97

Finding the Fourth Proportional to 117,639.09, 162,337.61 and 63,922.97

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Solution

The fourth proportional to 117,639.09, 162,337.61 and 63,922.97 is: 88,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.09 : 162,337.61 = 63,922.97 : x
  2. Step 2: Convert to fraction form
    117,639.09/162,337.61 = 63,922.97/x
  3. Step 3: Cross multiply
    117,639.09x = 162,337.61 × 63,922.97
  4. Step 4: Simplify right side
    117,639.09x = 10,377,102,739.55
  5. Step 5: Solve for x
    x = 10,377,102,739.55/117,639.09
  6. Step 6: Final answer
    x = 88,211.35

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1.5x scale

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.