Home / 161,319.32-242,028.21-82,488.92

Finding the Fourth Proportional to 161,319.32, 242,028.21 and 82,488.92

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Solution

The fourth proportional to 161,319.32, 242,028.21 and 82,488.92 is: 123,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,319.32 : 242,028.21 = 82,488.92 : x
  2. Step 2: Convert to fraction form
    161,319.32/242,028.21 = 82,488.92/x
  3. Step 3: Cross multiply
    161,319.32x = 242,028.21 × 82,488.92
  4. Step 4: Simplify right side
    161,319.32x = 19,964,645,652.43
  5. Step 5: Solve for x
    x = 19,964,645,652.43/161,319.32
  6. Step 6: Final answer
    x = 123,758.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.