Home / 187,445.40-280,857.06-131,924.76

Finding the Fourth Proportional to 187,445.40, 280,857.06 and 131,924.76

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Solution

The fourth proportional to 187,445.40, 280,857.06 and 131,924.76 is: 197,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,445.40 : 280,857.06 = 131,924.76 : x
  2. Step 2: Convert to fraction form
    187,445.40/280,857.06 = 131,924.76/x
  3. Step 3: Cross multiply
    187,445.40x = 280,857.06 × 131,924.76
  4. Step 4: Simplify right side
    187,445.40x = 37,052,000,234.81
  5. Step 5: Solve for x
    x = 37,052,000,234.81/187,445.40
  6. Step 6: Final answer
    x = 197,668.23

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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.