Home / 146,200.70-219,301.05-121,268.90

Finding the Fourth Proportional to 146,200.70, 219,301.05 and 121,268.90

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Solution

The fourth proportional to 146,200.70, 219,301.05 and 121,268.90 is: 181,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,200.70 : 219,301.05 = 121,268.90 : x
  2. Step 2: Convert to fraction form
    146,200.70/219,301.05 = 121,268.90/x
  3. Step 3: Cross multiply
    146,200.70x = 219,301.05 × 121,268.90
  4. Step 4: Simplify right side
    146,200.70x = 26,594,397,102.35
  5. Step 5: Solve for x
    x = 26,594,397,102.35/146,200.70
  6. Step 6: Final answer
    x = 181,903.35

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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.