Home / 146,420.40-219,873.52-91,366.32

Finding the Fourth Proportional to 146,420.40, 219,873.52 and 91,366.32

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Solution

The fourth proportional to 146,420.40, 219,873.52 and 91,366.32 is: 137,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,420.40 : 219,873.52 = 91,366.32 : x
  2. Step 2: Convert to fraction form
    146,420.40/219,873.52 = 91,366.32/x
  3. Step 3: Cross multiply
    146,420.40x = 219,873.52 × 91,366.32
  4. Step 4: Simplify right side
    146,420.40x = 20,089,034,387.85
  5. Step 5: Solve for x
    x = 20,089,034,387.85/146,420.40
  6. Step 6: Final answer
    x = 137,201.06

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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.