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Finding the Fourth Proportional to 144,882.40, 217,323.60 and 119,999.20

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Solution

The fourth proportional to 144,882.40, 217,323.60 and 119,999.20 is: 179,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,882.40 : 217,323.60 = 119,999.20 : x
  2. Step 2: Convert to fraction form
    144,882.40/217,323.60 = 119,999.20/x
  3. Step 3: Cross multiply
    144,882.40x = 217,323.60 × 119,999.20
  4. Step 4: Simplify right side
    144,882.40x = 26,078,658,141.12
  5. Step 5: Solve for x
    x = 26,078,658,141.12/144,882.40
  6. Step 6: Final answer
    x = 179,998.80

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1.5x scale

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.