Home / 131,977.88-197,960.34-43,219.68

Finding the Fourth Proportional to 131,977.88, 197,960.34 and 43,219.68

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Solution

The fourth proportional to 131,977.88, 197,960.34 and 43,219.68 is: 64,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,977.88 : 197,960.34 = 43,219.68 : x
  2. Step 2: Convert to fraction form
    131,977.88/197,960.34 = 43,219.68/x
  3. Step 3: Cross multiply
    131,977.88x = 197,960.34 × 43,219.68
  4. Step 4: Simplify right side
    131,977.88x = 8,555,782,547.49
  5. Step 5: Solve for x
    x = 8,555,782,547.49/131,977.88
  6. Step 6: Final answer
    x = 64,827.40

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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.