Home / 100,438.28-150,666.26-37,259.09

Finding the Fourth Proportional to 100,438.28, 150,666.26 and 37,259.09

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Solution

The fourth proportional to 100,438.28, 150,666.26 and 37,259.09 is: 55,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,438.28 : 150,666.26 = 37,259.09 : x
  2. Step 2: Convert to fraction form
    100,438.28/150,666.26 = 37,259.09/x
  3. Step 3: Cross multiply
    100,438.28x = 150,666.26 × 37,259.09
  4. Step 4: Simplify right side
    100,438.28x = 5,613,687,576.26
  5. Step 5: Solve for x
    x = 5,613,687,576.26/100,438.28
  6. Step 6: Final answer
    x = 55,891.91

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1.5x scale

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.