Home / 199,770.24-299,666.88-75,112.32

Finding the Fourth Proportional to 199,770.24, 299,666.88 and 75,112.32

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Solution

The fourth proportional to 199,770.24, 299,666.88 and 75,112.32 is: 112,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,770.24 : 299,666.88 = 75,112.32 : x
  2. Step 2: Convert to fraction form
    199,770.24/299,666.88 = 75,112.32/x
  3. Step 3: Cross multiply
    199,770.24x = 299,666.88 × 75,112.32
  4. Step 4: Simplify right side
    199,770.24x = 22,508,674,583.96
  5. Step 5: Solve for x
    x = 22,508,674,583.96/199,770.24
  6. Step 6: Final answer
    x = 112,672.81

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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.