Home / 161,570.10-242,614.35-109,211.70

Finding the Fourth Proportional to 161,570.10, 242,614.35 and 109,211.70

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Solution

The fourth proportional to 161,570.10, 242,614.35 and 109,211.70 is: 163,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570.10 : 242,614.35 = 109,211.70 : x
  2. Step 2: Convert to fraction form
    161,570.10/242,614.35 = 109,211.70/x
  3. Step 3: Cross multiply
    161,570.10x = 242,614.35 × 109,211.70
  4. Step 4: Simplify right side
    161,570.10x = 26,496,325,607.90
  5. Step 5: Solve for x
    x = 26,496,325,607.90/161,570.10
  6. Step 6: Final answer
    x = 163,992.75

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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.