Home / 249,397.20-374,330.70-131,153.40

Finding the Fourth Proportional to 249,397.20, 374,330.70 and 131,153.40

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Solution

The fourth proportional to 249,397.20, 374,330.70 and 131,153.40 is: 196,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,397.20 : 374,330.70 = 131,153.40 : x
  2. Step 2: Convert to fraction form
    249,397.20/374,330.70 = 131,153.40/x
  3. Step 3: Cross multiply
    249,397.20x = 374,330.70 × 131,153.40
  4. Step 4: Simplify right side
    249,397.20x = 49,094,744,029.38
  5. Step 5: Solve for x
    x = 49,094,744,029.38/249,397.20
  6. Step 6: Final answer
    x = 196,853.63

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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.