Home / 135,522.23-187,020.48-75,096.78

Finding the Fourth Proportional to 135,522.23, 187,020.48 and 75,096.78

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Solution

The fourth proportional to 135,522.23, 187,020.48 and 75,096.78 is: 103,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,522.23 : 187,020.48 = 75,096.78 : x
  2. Step 2: Convert to fraction form
    135,522.23/187,020.48 = 75,096.78/x
  3. Step 3: Cross multiply
    135,522.23x = 187,020.48 × 75,096.78
  4. Step 4: Simplify right side
    135,522.23x = 14,044,635,842.05
  5. Step 5: Solve for x
    x = 14,044,635,842.05/135,522.23
  6. Step 6: Final answer
    x = 103,633.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.