Home / 249,884.85-374,826.99-81,404.92

Finding the Fourth Proportional to 249,884.85, 374,826.99 and 81,404.92

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Solution

The fourth proportional to 249,884.85, 374,826.99 and 81,404.92 is: 122,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,884.85 : 374,826.99 = 81,404.92 : x
  2. Step 2: Convert to fraction form
    249,884.85/374,826.99 = 81,404.92/x
  3. Step 3: Cross multiply
    249,884.85x = 374,826.99 × 81,404.92
  4. Step 4: Simplify right side
    249,884.85x = 30,512,762,962.79
  5. Step 5: Solve for x
    x = 30,512,762,962.79/249,884.85
  6. Step 6: Final answer
    x = 122,107.30

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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.