Home / 161,546.10-242,578.35-109,187.70

Finding the Fourth Proportional to 161,546.10, 242,578.35 and 109,187.70

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Solution

The fourth proportional to 161,546.10, 242,578.35 and 109,187.70 is: 163,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,546.10 : 242,578.35 = 109,187.70 : x
  2. Step 2: Convert to fraction form
    161,546.10/242,578.35 = 109,187.70/x
  3. Step 3: Cross multiply
    161,546.10x = 242,578.35 × 109,187.70
  4. Step 4: Simplify right side
    161,546.10x = 26,486,572,106.30
  5. Step 5: Solve for x
    x = 26,486,572,106.30/161,546.10
  6. Step 6: Final answer
    x = 163,956.74

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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.