Home / 120,057.04-180,092.59-45,177.83

Finding the Fourth Proportional to 120,057.04, 180,092.59 and 45,177.83

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Solution

The fourth proportional to 120,057.04, 180,092.59 and 45,177.83 is: 67,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,057.04 : 180,092.59 = 45,177.83 : x
  2. Step 2: Convert to fraction form
    120,057.04/180,092.59 = 45,177.83/x
  3. Step 3: Cross multiply
    120,057.04x = 180,092.59 × 45,177.83
  4. Step 4: Simplify right side
    120,057.04x = 8,136,191,697.77
  5. Step 5: Solve for x
    x = 8,136,191,697.77/120,057.04
  6. Step 6: Final answer
    x = 67,769.39

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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.