Home / 245,948.75-339,409.94-142,603.01

Finding the Fourth Proportional to 245,948.75, 339,409.94 and 142,603.01

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Solution

The fourth proportional to 245,948.75, 339,409.94 and 142,603.01 is: 196,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,948.75 : 339,409.94 = 142,603.01 : x
  2. Step 2: Convert to fraction form
    245,948.75/339,409.94 = 142,603.01/x
  3. Step 3: Cross multiply
    245,948.75x = 339,409.94 × 142,603.01
  4. Step 4: Simplify right side
    245,948.75x = 48,400,876,657.85
  5. Step 5: Solve for x
    x = 48,400,876,657.85/245,948.75
  6. Step 6: Final answer
    x = 196,792.53

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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.