Home / 161,522.60-242,543.10-109,164.20

Finding the Fourth Proportional to 161,522.60, 242,543.10 and 109,164.20

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Solution

The fourth proportional to 161,522.60, 242,543.10 and 109,164.20 is: 163,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,522.60 : 242,543.10 = 109,164.20 : x
  2. Step 2: Convert to fraction form
    161,522.60/242,543.10 = 109,164.20/x
  3. Step 3: Cross multiply
    161,522.60x = 242,543.10 × 109,164.20
  4. Step 4: Simplify right side
    161,522.60x = 26,477,023,477.02
  5. Step 5: Solve for x
    x = 26,477,023,477.02/161,522.60
  6. Step 6: Final answer
    x = 163,921.48

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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.