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Finding the Fourth Proportional to 189,371.37, 261,332.31 and 104,488.44

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Solution

The fourth proportional to 189,371.37, 261,332.31 and 104,488.44 is: 144,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.37 : 261,332.31 = 104,488.44 : x
  2. Step 2: Convert to fraction form
    189,371.37/261,332.31 = 104,488.44/x
  3. Step 3: Cross multiply
    189,371.37x = 261,332.31 × 104,488.44
  4. Step 4: Simplify right side
    189,371.37x = 27,306,205,393.50
  5. Step 5: Solve for x
    x = 27,306,205,393.50/189,371.37
  6. Step 6: Final answer
    x = 144,193.95

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1.5x scale

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.