Home / 146,411.60-219,617.40-91,115.60

Finding the Fourth Proportional to 146,411.60, 219,617.40 and 91,115.60

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Solution

The fourth proportional to 146,411.60, 219,617.40 and 91,115.60 is: 136,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,411.60 : 219,617.40 = 91,115.60 : x
  2. Step 2: Convert to fraction form
    146,411.60/219,617.40 = 91,115.60/x
  3. Step 3: Cross multiply
    146,411.60x = 219,617.40 × 91,115.60
  4. Step 4: Simplify right side
    146,411.60x = 20,010,571,171.44
  5. Step 5: Solve for x
    x = 20,010,571,171.44/146,411.60
  6. Step 6: Final answer
    x = 136,673.40

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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.