Home / 199,597.96-299,290.02-81,208.36

Finding the Fourth Proportional to 199,597.96, 299,290.02 and 81,208.36

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Solution

The fourth proportional to 199,597.96, 299,290.02 and 81,208.36 is: 121,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,597.96 : 299,290.02 = 81,208.36 : x
  2. Step 2: Convert to fraction form
    199,597.96/299,290.02 = 81,208.36/x
  3. Step 3: Cross multiply
    199,597.96x = 299,290.02 × 81,208.36
  4. Step 4: Simplify right side
    199,597.96x = 24,304,851,688.57
  5. Step 5: Solve for x
    x = 24,304,851,688.57/199,597.96
  6. Step 6: Final answer
    x = 121,769.04

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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.