Home / 131,650.92-197,017.11-107,681.40

Finding the Fourth Proportional to 131,650.92, 197,017.11 and 107,681.40

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Solution

The fourth proportional to 131,650.92, 197,017.11 and 107,681.40 is: 161,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,650.92 : 197,017.11 = 107,681.40 : x
  2. Step 2: Convert to fraction form
    131,650.92/197,017.11 = 107,681.40/x
  3. Step 3: Cross multiply
    131,650.92x = 197,017.11 × 107,681.40
  4. Step 4: Simplify right side
    131,650.92x = 21,215,078,228.75
  5. Step 5: Solve for x
    x = 21,215,078,228.75/131,650.92
  6. Step 6: Final answer
    x = 161,146.45

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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.