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Finding the Fourth Proportional to 119,998.40, 179,997.60 and 118,248.80

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Solution

The fourth proportional to 119,998.40, 179,997.60 and 118,248.80 is: 177,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,998.40 : 179,997.60 = 118,248.80 : x
  2. Step 2: Convert to fraction form
    119,998.40/179,997.60 = 118,248.80/x
  3. Step 3: Cross multiply
    119,998.40x = 179,997.60 × 118,248.80
  4. Step 4: Simplify right side
    119,998.40x = 21,284,500,202.88
  5. Step 5: Solve for x
    x = 21,284,500,202.88/119,998.40
  6. Step 6: Final answer
    x = 177,373.20

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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.