Home / 199,942.62-299,913.79-80,053.50

Finding the Fourth Proportional to 199,942.62, 299,913.79 and 80,053.50

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Solution

The fourth proportional to 199,942.62, 299,913.79 and 80,053.50 is: 120,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,942.62 : 299,913.79 = 80,053.50 : x
  2. Step 2: Convert to fraction form
    199,942.62/299,913.79 = 80,053.50/x
  3. Step 3: Cross multiply
    199,942.62x = 299,913.79 × 80,053.50
  4. Step 4: Simplify right side
    199,942.62x = 24,009,148,587.77
  5. Step 5: Solve for x
    x = 24,009,148,587.77/199,942.62
  6. Step 6: Final answer
    x = 120,080.19

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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.