Home / 139,577.49-209,366.35-34,396.47

Finding the Fourth Proportional to 139,577.49, 209,366.35 and 34,396.47

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Solution

The fourth proportional to 139,577.49, 209,366.35 and 34,396.47 is: 51,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,577.49 : 209,366.35 = 34,396.47 : x
  2. Step 2: Convert to fraction form
    139,577.49/209,366.35 = 34,396.47/x
  3. Step 3: Cross multiply
    139,577.49x = 209,366.35 × 34,396.47
  4. Step 4: Simplify right side
    139,577.49x = 7,201,463,376.78
  5. Step 5: Solve for x
    x = 7,201,463,376.78/139,577.49
  6. Step 6: Final answer
    x = 51,594.73

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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.