Home / 219,555.36-302,982.12-144,099

Finding the Fourth Proportional to 219,555.36, 302,982.12 and 144,099

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Solution

The fourth proportional to 219,555.36, 302,982.12 and 144,099 is: 198,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,555.36 : 302,982.12 = 144,099 : x
  2. Step 2: Convert to fraction form
    219,555.36/302,982.12 = 144,099/x
  3. Step 3: Cross multiply
    219,555.36x = 302,982.12 × 144,099
  4. Step 4: Simplify right side
    219,555.36x = 43,659,420,509.88
  5. Step 5: Solve for x
    x = 43,659,420,509.88/219,555.36
  6. Step 6: Final answer
    x = 198,853.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.