Home / 249,877.50-374,855.22-81,358.04

Finding the Fourth Proportional to 249,877.50, 374,855.22 and 81,358.04

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Solution

The fourth proportional to 249,877.50, 374,855.22 and 81,358.04 is: 122,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,877.50 : 374,855.22 = 81,358.04 : x
  2. Step 2: Convert to fraction form
    249,877.50/374,855.22 = 81,358.04/x
  3. Step 3: Cross multiply
    249,877.50x = 374,855.22 × 81,358.04
  4. Step 4: Simplify right side
    249,877.50x = 30,497,484,108.69
  5. Step 5: Solve for x
    x = 30,497,484,108.69/249,877.50
  6. Step 6: Final answer
    x = 122,049.74

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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.