Home / 133,094.50-199,543.33-80,492.29

Finding the Fourth Proportional to 133,094.50, 199,543.33 and 80,492.29

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Solution

The fourth proportional to 133,094.50, 199,543.33 and 80,492.29 is: 120,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,094.50 : 199,543.33 = 80,492.29 : x
  2. Step 2: Convert to fraction form
    133,094.50/199,543.33 = 80,492.29/x
  3. Step 3: Cross multiply
    133,094.50x = 199,543.33 × 80,492.29
  4. Step 4: Simplify right side
    133,094.50x = 16,061,699,585.93
  5. Step 5: Solve for x
    x = 16,061,699,585.93/133,094.50
  6. Step 6: Final answer
    x = 120,678.91

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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.