Home / 131,486.20-197,316.64-48,380.20

Finding the Fourth Proportional to 131,486.20, 197,316.64 and 48,380.20

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Solution

The fourth proportional to 131,486.20, 197,316.64 and 48,380.20 is: 72,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,486.20 : 197,316.64 = 48,380.20 : x
  2. Step 2: Convert to fraction form
    131,486.20/197,316.64 = 48,380.20/x
  3. Step 3: Cross multiply
    131,486.20x = 197,316.64 × 48,380.20
  4. Step 4: Simplify right side
    131,486.20x = 9,546,218,506.53
  5. Step 5: Solve for x
    x = 9,546,218,506.53/131,486.20
  6. Step 6: Final answer
    x = 72,602.44

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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.