Home / 249,335.20-374,237.70-131,091.40

Finding the Fourth Proportional to 249,335.20, 374,237.70 and 131,091.40

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Solution

The fourth proportional to 249,335.20, 374,237.70 and 131,091.40 is: 196,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,335.20 : 374,237.70 = 131,091.40 : x
  2. Step 2: Convert to fraction form
    249,335.20/374,237.70 = 131,091.40/x
  3. Step 3: Cross multiply
    249,335.20x = 374,237.70 × 131,091.40
  4. Step 4: Simplify right side
    249,335.20x = 49,059,344,025.78
  5. Step 5: Solve for x
    x = 49,059,344,025.78/249,335.20
  6. Step 6: Final answer
    x = 196,760.60

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1.5x scale

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.