Home / 119,990.43-180,038.19-56,855.62

Finding the Fourth Proportional to 119,990.43, 180,038.19 and 56,855.62

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Solution

The fourth proportional to 119,990.43, 180,038.19 and 56,855.62 is: 85,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,990.43 : 180,038.19 = 56,855.62 : x
  2. Step 2: Convert to fraction form
    119,990.43/180,038.19 = 56,855.62/x
  3. Step 3: Cross multiply
    119,990.43x = 180,038.19 × 56,855.62
  4. Step 4: Simplify right side
    119,990.43x = 10,236,183,354.38
  5. Step 5: Solve for x
    x = 10,236,183,354.38/119,990.43
  6. Step 6: Final answer
    x = 85,308.33

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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.