Home / 110,785.20-166,124.04-51,606.96

Finding the Fourth Proportional to 110,785.20, 166,124.04 and 51,606.96

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Solution

The fourth proportional to 110,785.20, 166,124.04 and 51,606.96 is: 77,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,785.20 : 166,124.04 = 51,606.96 : x
  2. Step 2: Convert to fraction form
    110,785.20/166,124.04 = 51,606.96/x
  3. Step 3: Cross multiply
    110,785.20x = 166,124.04 × 51,606.96
  4. Step 4: Simplify right side
    110,785.20x = 8,573,156,687.32
  5. Step 5: Solve for x
    x = 8,573,156,687.32/110,785.20
  6. Step 6: Final answer
    x = 77,385.40

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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.