Home / 243,938.28-366,063.55-131,696.74

Finding the Fourth Proportional to 243,938.28, 366,063.55 and 131,696.74

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Solution

The fourth proportional to 243,938.28, 366,063.55 and 131,696.74 is: 197,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,938.28 : 366,063.55 = 131,696.74 : x
  2. Step 2: Convert to fraction form
    243,938.28/366,063.55 = 131,696.74/x
  3. Step 3: Cross multiply
    243,938.28x = 366,063.55 × 131,696.74
  4. Step 4: Simplify right side
    243,938.28x = 48,209,374,977.85
  5. Step 5: Solve for x
    x = 48,209,374,977.85/243,938.28
  6. Step 6: Final answer
    x = 197,629.39

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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.