Home / 249,669.76-374,449.20-72,137.92

Finding the Fourth Proportional to 249,669.76, 374,449.20 and 72,137.92

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Solution

The fourth proportional to 249,669.76, 374,449.20 and 72,137.92 is: 108,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,669.76 : 374,449.20 = 72,137.92 : x
  2. Step 2: Convert to fraction form
    249,669.76/374,449.20 = 72,137.92/x
  3. Step 3: Cross multiply
    249,669.76x = 374,449.20 × 72,137.92
  4. Step 4: Simplify right side
    249,669.76x = 27,011,986,433.66
  5. Step 5: Solve for x
    x = 27,011,986,433.66/249,669.76
  6. Step 6: Final answer
    x = 108,190.86

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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.