Home / 190,375.27-285,489.10-101,580.34

Finding the Fourth Proportional to 190,375.27, 285,489.10 and 101,580.34

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Solution

The fourth proportional to 190,375.27, 285,489.10 and 101,580.34 is: 152,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,375.27 : 285,489.10 = 101,580.34 : x
  2. Step 2: Convert to fraction form
    190,375.27/285,489.10 = 101,580.34/x
  3. Step 3: Cross multiply
    190,375.27x = 285,489.10 × 101,580.34
  4. Step 4: Simplify right side
    190,375.27x = 29,000,079,844.29
  5. Step 5: Solve for x
    x = 29,000,079,844.29/190,375.27
  6. Step 6: Final answer
    x = 152,331.13

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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.