Home / 161,402.58-242,105.04-56,221.20

Finding the Fourth Proportional to 161,402.58, 242,105.04 and 56,221.20

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Solution

The fourth proportional to 161,402.58, 242,105.04 and 56,221.20 is: 84,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,402.58 : 242,105.04 = 56,221.20 : x
  2. Step 2: Convert to fraction form
    161,402.58/242,105.04 = 56,221.20/x
  3. Step 3: Cross multiply
    161,402.58x = 242,105.04 × 56,221.20
  4. Step 4: Simplify right side
    161,402.58x = 13,611,435,874.85
  5. Step 5: Solve for x
    x = 13,611,435,874.85/161,402.58
  6. Step 6: Final answer
    x = 84,332.21

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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.