Home / 259,107.05-357,559.31-158,505.05

Finding the Fourth Proportional to 259,107.05, 357,559.31 and 158,505.05

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Solution

The fourth proportional to 259,107.05, 357,559.31 and 158,505.05 is: 218,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,107.05 : 357,559.31 = 158,505.05 : x
  2. Step 2: Convert to fraction form
    259,107.05/357,559.31 = 158,505.05/x
  3. Step 3: Cross multiply
    259,107.05x = 357,559.31 × 158,505.05
  4. Step 4: Simplify right side
    259,107.05x = 56,674,955,516.99
  5. Step 5: Solve for x
    x = 56,674,955,516.99/259,107.05
  6. Step 6: Final answer
    x = 218,731.82

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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.