Home / 190,615.02-285,736.58-90,748.38

Finding the Fourth Proportional to 190,615.02, 285,736.58 and 90,748.38

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Solution

The fourth proportional to 190,615.02, 285,736.58 and 90,748.38 is: 136,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.02 : 285,736.58 = 90,748.38 : x
  2. Step 2: Convert to fraction form
    190,615.02/285,736.58 = 90,748.38/x
  3. Step 3: Cross multiply
    190,615.02x = 285,736.58 × 90,748.38
  4. Step 4: Simplify right side
    190,615.02x = 25,930,131,741.74
  5. Step 5: Solve for x
    x = 25,930,131,741.74/190,615.02
  6. Step 6: Final answer
    x = 136,034.04

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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.