Home / 249,871.50-374,846.20-81,352.05

Finding the Fourth Proportional to 249,871.50, 374,846.20 and 81,352.05

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Solution

The fourth proportional to 249,871.50, 374,846.20 and 81,352.05 is: 122,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,871.50 : 374,846.20 = 81,352.05 : x
  2. Step 2: Convert to fraction form
    249,871.50/374,846.20 = 81,352.05/x
  3. Step 3: Cross multiply
    249,871.50x = 374,846.20 × 81,352.05
  4. Step 4: Simplify right side
    249,871.50x = 30,494,505,195.66
  5. Step 5: Solve for x
    x = 30,494,505,195.66/249,871.50
  6. Step 6: Final answer
    x = 122,040.75

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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.