Home / 189,250.59-261,165.06-103,209.37

Finding the Fourth Proportional to 189,250.59, 261,165.06 and 103,209.37

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Solution

The fourth proportional to 189,250.59, 261,165.06 and 103,209.37 is: 142,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,250.59 : 261,165.06 = 103,209.37 : x
  2. Step 2: Convert to fraction form
    189,250.59/261,165.06 = 103,209.37/x
  3. Step 3: Cross multiply
    189,250.59x = 261,165.06 × 103,209.37
  4. Step 4: Simplify right side
    189,250.59x = 26,954,681,308.61
  5. Step 5: Solve for x
    x = 26,954,681,308.61/189,250.59
  6. Step 6: Final answer
    x = 142,428.52

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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.