Home / 190,760.10-286,137.23-64,489.04

Finding the Fourth Proportional to 190,760.10, 286,137.23 and 64,489.04

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Solution

The fourth proportional to 190,760.10, 286,137.23 and 64,489.04 is: 96,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,760.10 : 286,137.23 = 64,489.04 : x
  2. Step 2: Convert to fraction form
    190,760.10/286,137.23 = 64,489.04/x
  3. Step 3: Cross multiply
    190,760.10x = 286,137.23 × 64,489.04
  4. Step 4: Simplify right side
    190,760.10x = 18,452,716,147.52
  5. Step 5: Solve for x
    x = 18,452,716,147.52/190,760.10
  6. Step 6: Final answer
    x = 96,732.58

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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.