Home / 117,666.71-162,380.07-63,951.72

Finding the Fourth Proportional to 117,666.71, 162,380.07 and 63,951.72

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Solution

The fourth proportional to 117,666.71, 162,380.07 and 63,951.72 is: 88,253.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,666.71 : 162,380.07 = 63,951.72 : x
  2. Step 2: Convert to fraction form
    117,666.71/162,380.07 = 63,951.72/x
  3. Step 3: Cross multiply
    117,666.71x = 162,380.07 × 63,951.72
  4. Step 4: Simplify right side
    117,666.71x = 10,384,484,770.22
  5. Step 5: Solve for x
    x = 10,384,484,770.22/117,666.71
  6. Step 6: Final answer
    x = 88,253.38

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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.