Home / 139,796.19-209,643.26-51,023.43

Finding the Fourth Proportional to 139,796.19, 209,643.26 and 51,023.43

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Solution

The fourth proportional to 139,796.19, 209,643.26 and 51,023.43 is: 76,516.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,796.19 : 209,643.26 = 51,023.43 : x
  2. Step 2: Convert to fraction form
    139,796.19/209,643.26 = 51,023.43/x
  3. Step 3: Cross multiply
    139,796.19x = 209,643.26 × 51,023.43
  4. Step 4: Simplify right side
    139,796.19x = 10,696,717,946.46
  5. Step 5: Solve for x
    x = 10,696,717,946.46/139,796.19
  6. Step 6: Final answer
    x = 76,516.52

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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.