Home / 120,580.08-180,802.44-54,084.12

Finding the Fourth Proportional to 120,580.08, 180,802.44 and 54,084.12

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Solution

The fourth proportional to 120,580.08, 180,802.44 and 54,084.12 is: 81,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,580.08 : 180,802.44 = 54,084.12 : x
  2. Step 2: Convert to fraction form
    120,580.08/180,802.44 = 54,084.12/x
  3. Step 3: Cross multiply
    120,580.08x = 180,802.44 × 54,084.12
  4. Step 4: Simplify right side
    120,580.08x = 9,778,540,861.25
  5. Step 5: Solve for x
    x = 9,778,540,861.25/120,580.08
  6. Step 6: Final answer
    x = 81,095.82

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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.