Home / 161,540.60-242,570.10-109,182.20

Finding the Fourth Proportional to 161,540.60, 242,570.10 and 109,182.20

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Solution

The fourth proportional to 161,540.60, 242,570.10 and 109,182.20 is: 163,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.60 : 242,570.10 = 109,182.20 : x
  2. Step 2: Convert to fraction form
    161,540.60/242,570.10 = 109,182.20/x
  3. Step 3: Cross multiply
    161,540.60x = 242,570.10 × 109,182.20
  4. Step 4: Simplify right side
    161,540.60x = 26,484,337,172.22
  5. Step 5: Solve for x
    x = 26,484,337,172.22/161,540.60
  6. Step 6: Final answer
    x = 163,948.49

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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.