Home / 117,486.72-162,132.90-63,772.20

Finding the Fourth Proportional to 117,486.72, 162,132.90 and 63,772.20

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Solution

The fourth proportional to 117,486.72, 162,132.90 and 63,772.20 is: 88,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.72 : 162,132.90 = 63,772.20 : x
  2. Step 2: Convert to fraction form
    117,486.72/162,132.90 = 63,772.20/x
  3. Step 3: Cross multiply
    117,486.72x = 162,132.90 × 63,772.20
  4. Step 4: Simplify right side
    117,486.72x = 10,339,571,725.38
  5. Step 5: Solve for x
    x = 10,339,571,725.38/117,486.72
  6. Step 6: Final answer
    x = 88,006.30

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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.