Home / 139,367.14-209,058.63-39,519.43

Finding the Fourth Proportional to 139,367.14, 209,058.63 and 39,519.43

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Solution

The fourth proportional to 139,367.14, 209,058.63 and 39,519.43 is: 59,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,367.14 : 209,058.63 = 39,519.43 : x
  2. Step 2: Convert to fraction form
    139,367.14/209,058.63 = 39,519.43/x
  3. Step 3: Cross multiply
    139,367.14x = 209,058.63 × 39,519.43
  4. Step 4: Simplify right side
    139,367.14x = 8,261,877,894.18
  5. Step 5: Solve for x
    x = 8,261,877,894.18/139,367.14
  6. Step 6: Final answer
    x = 59,281.39

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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.