Home / 259,115.92-388,881.23-134,492.56

Finding the Fourth Proportional to 259,115.92, 388,881.23 and 134,492.56

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Solution

The fourth proportional to 259,115.92, 388,881.23 and 134,492.56 is: 201,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,115.92 : 388,881.23 = 134,492.56 : x
  2. Step 2: Convert to fraction form
    259,115.92/388,881.23 = 134,492.56/x
  3. Step 3: Cross multiply
    259,115.92x = 388,881.23 × 134,492.56
  4. Step 4: Simplify right side
    259,115.92x = 52,301,630,550.47
  5. Step 5: Solve for x
    x = 52,301,630,550.47/259,115.92
  6. Step 6: Final answer
    x = 201,846.46

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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.