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Finding the Fourth Proportional to 110,792.68, 166,189.02 and 70,256.48

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Solution

The fourth proportional to 110,792.68, 166,189.02 and 70,256.48 is: 105,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,792.68 : 166,189.02 = 70,256.48 : x
  2. Step 2: Convert to fraction form
    110,792.68/166,189.02 = 70,256.48/x
  3. Step 3: Cross multiply
    110,792.68x = 166,189.02 × 70,256.48
  4. Step 4: Simplify right side
    110,792.68x = 11,675,855,559.85
  5. Step 5: Solve for x
    x = 11,675,855,559.85/110,792.68
  6. Step 6: Final answer
    x = 105,384.72

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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.