Home / 236,420.48-354,505.38-103,145.04

Finding the Fourth Proportional to 236,420.48, 354,505.38 and 103,145.04

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Solution

The fourth proportional to 236,420.48, 354,505.38 and 103,145.04 is: 154,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,420.48 : 354,505.38 = 103,145.04 : x
  2. Step 2: Convert to fraction form
    236,420.48/354,505.38 = 103,145.04/x
  3. Step 3: Cross multiply
    236,420.48x = 354,505.38 × 103,145.04
  4. Step 4: Simplify right side
    236,420.48x = 36,565,471,600.32
  5. Step 5: Solve for x
    x = 36,565,471,600.32/236,420.48
  6. Step 6: Final answer
    x = 154,662.88

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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.