Home / 80,196.36-110,667.03-45,742.46

Finding the Fourth Proportional to 80,196.36, 110,667.03 and 45,742.46

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Solution

The fourth proportional to 80,196.36, 110,667.03 and 45,742.46 is: 63,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,196.36 : 110,667.03 = 45,742.46 : x
  2. Step 2: Convert to fraction form
    80,196.36/110,667.03 = 45,742.46/x
  3. Step 3: Cross multiply
    80,196.36x = 110,667.03 × 45,742.46
  4. Step 4: Simplify right side
    80,196.36x = 5,062,181,639.76
  5. Step 5: Solve for x
    x = 5,062,181,639.76/80,196.36
  6. Step 6: Final answer
    x = 63,122.34

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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.