Home / 259,155.18-357,640.06-144,445.62

Finding the Fourth Proportional to 259,155.18, 357,640.06 and 144,445.62

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Solution

The fourth proportional to 259,155.18, 357,640.06 and 144,445.62 is: 199,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,155.18 : 357,640.06 = 144,445.62 : x
  2. Step 2: Convert to fraction form
    259,155.18/357,640.06 = 144,445.62/x
  3. Step 3: Cross multiply
    259,155.18x = 357,640.06 × 144,445.62
  4. Step 4: Simplify right side
    259,155.18x = 51,659,540,203.54
  5. Step 5: Solve for x
    x = 51,659,540,203.54/259,155.18
  6. Step 6: Final answer
    x = 199,338.25

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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.