Home / 134,353.96-185,388.90-80,627.56

Finding the Fourth Proportional to 134,353.96, 185,388.90 and 80,627.56

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Solution

The fourth proportional to 134,353.96, 185,388.90 and 80,627.56 is: 111,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,353.96 : 185,388.90 = 80,627.56 : x
  2. Step 2: Convert to fraction form
    134,353.96/185,388.90 = 80,627.56/x
  3. Step 3: Cross multiply
    134,353.96x = 185,388.90 × 80,627.56
  4. Step 4: Simplify right side
    134,353.96x = 14,947,454,658.08
  5. Step 5: Solve for x
    x = 14,947,454,658.08/134,353.96
  6. Step 6: Final answer
    x = 111,254.29

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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.