Home / 161,679.60-242,519.40-117,097.20

Finding the Fourth Proportional to 161,679.60, 242,519.40 and 117,097.20

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Solution

The fourth proportional to 161,679.60, 242,519.40 and 117,097.20 is: 175,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,679.60 : 242,519.40 = 117,097.20 : x
  2. Step 2: Convert to fraction form
    161,679.60/242,519.40 = 117,097.20/x
  3. Step 3: Cross multiply
    161,679.60x = 242,519.40 × 117,097.20
  4. Step 4: Simplify right side
    161,679.60x = 28,398,342,685.68
  5. Step 5: Solve for x
    x = 28,398,342,685.68/161,679.60
  6. Step 6: Final answer
    x = 175,645.80

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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.