Home / 117,217.08-161,758.29-63,498.90

Finding the Fourth Proportional to 117,217.08, 161,758.29 and 63,498.90

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Solution

The fourth proportional to 117,217.08, 161,758.29 and 63,498.90 is: 87,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,217.08 : 161,758.29 = 63,498.90 : x
  2. Step 2: Convert to fraction form
    117,217.08/161,758.29 = 63,498.90/x
  3. Step 3: Cross multiply
    117,217.08x = 161,758.29 × 63,498.90
  4. Step 4: Simplify right side
    117,217.08x = 10,271,473,480.88
  5. Step 5: Solve for x
    x = 10,271,473,480.88/117,217.08
  6. Step 6: Final answer
    x = 87,627.79

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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.