Home / 131,679.06-197,629.20-56,855.76

Finding the Fourth Proportional to 131,679.06, 197,629.20 and 56,855.76

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Solution

The fourth proportional to 131,679.06, 197,629.20 and 56,855.76 is: 85,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,679.06 : 197,629.20 = 56,855.76 : x
  2. Step 2: Convert to fraction form
    131,679.06/197,629.20 = 56,855.76/x
  3. Step 3: Cross multiply
    131,679.06x = 197,629.20 × 56,855.76
  4. Step 4: Simplify right side
    131,679.06x = 11,236,358,364.19
  5. Step 5: Solve for x
    x = 11,236,358,364.19/131,679.06
  6. Step 6: Final answer
    x = 85,331.40

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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.