Home / 109,013.56-150,412.44-63,665.80

Finding the Fourth Proportional to 109,013.56, 150,412.44 and 63,665.80

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Solution

The fourth proportional to 109,013.56, 150,412.44 and 63,665.80 is: 87,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,013.56 : 150,412.44 = 63,665.80 : x
  2. Step 2: Convert to fraction form
    109,013.56/150,412.44 = 63,665.80/x
  3. Step 3: Cross multiply
    109,013.56x = 150,412.44 × 63,665.80
  4. Step 4: Simplify right side
    109,013.56x = 9,576,128,322.55
  5. Step 5: Solve for x
    x = 9,576,128,322.55/109,013.56
  6. Step 6: Final answer
    x = 87,843.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.