Home / 162,172.16-243,158.88-57,003.20

Finding the Fourth Proportional to 162,172.16, 243,158.88 and 57,003.20

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Solution

The fourth proportional to 162,172.16, 243,158.88 and 57,003.20 is: 85,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,172.16 : 243,158.88 = 57,003.20 : x
  2. Step 2: Convert to fraction form
    162,172.16/243,158.88 = 57,003.20/x
  3. Step 3: Cross multiply
    162,172.16x = 243,158.88 × 57,003.20
  4. Step 4: Simplify right side
    162,172.16x = 13,860,834,268.42
  5. Step 5: Solve for x
    x = 13,860,834,268.42/162,172.16
  6. Step 6: Final answer
    x = 85,469.88

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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.