Home / 190,025.26-285,078.52-70,082.52

Finding the Fourth Proportional to 190,025.26, 285,078.52 and 70,082.52

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Solution

The fourth proportional to 190,025.26, 285,078.52 and 70,082.52 is: 105,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,025.26 : 285,078.52 = 70,082.52 : x
  2. Step 2: Convert to fraction form
    190,025.26/285,078.52 = 70,082.52/x
  3. Step 3: Cross multiply
    190,025.26x = 285,078.52 × 70,082.52
  4. Step 4: Simplify right side
    190,025.26x = 19,979,021,079.47
  5. Step 5: Solve for x
    x = 19,979,021,079.47/190,025.26
  6. Step 6: Final answer
    x = 105,138.76

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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.