Home / 259,150.39-357,613.08-142,860.11

Finding the Fourth Proportional to 259,150.39, 357,613.08 and 142,860.11

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Solution

The fourth proportional to 259,150.39, 357,613.08 and 142,860.11 is: 197,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,150.39 : 357,613.08 = 142,860.11 : x
  2. Step 2: Convert to fraction form
    259,150.39/357,613.08 = 142,860.11/x
  3. Step 3: Cross multiply
    259,150.39x = 357,613.08 × 142,860.11
  4. Step 4: Simplify right side
    259,150.39x = 51,088,641,622.45
  5. Step 5: Solve for x
    x = 51,088,641,622.45/259,150.39
  6. Step 6: Final answer
    x = 197,138.97

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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.