Home / 110,710.20-166,502.70-99,337.80

Finding the Fourth Proportional to 110,710.20, 166,502.70 and 99,337.80

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Solution

The fourth proportional to 110,710.20, 166,502.70 and 99,337.80 is: 149,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,710.20 : 166,502.70 = 99,337.80 : x
  2. Step 2: Convert to fraction form
    110,710.20/166,502.70 = 99,337.80/x
  3. Step 3: Cross multiply
    110,710.20x = 166,502.70 × 99,337.80
  4. Step 4: Simplify right side
    110,710.20x = 16,540,011,912.06
  5. Step 5: Solve for x
    x = 16,540,011,912.06/110,710.20
  6. Step 6: Final answer
    x = 149,399.17

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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.