Home / 189,133.39-261,002.37-103,092.36

Finding the Fourth Proportional to 189,133.39, 261,002.37 and 103,092.36

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Solution

The fourth proportional to 189,133.39, 261,002.37 and 103,092.36 is: 142,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,133.39 : 261,002.37 = 103,092.36 : x
  2. Step 2: Convert to fraction form
    189,133.39/261,002.37 = 103,092.36/x
  3. Step 3: Cross multiply
    189,133.39x = 261,002.37 × 103,092.36
  4. Step 4: Simplify right side
    189,133.39x = 26,907,349,116.84
  5. Step 5: Solve for x
    x = 26,907,349,116.84/189,133.39
  6. Step 6: Final answer
    x = 142,266.52

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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.