Home / 189,366.20-261,330.81-104,488.73

Finding the Fourth Proportional to 189,366.20, 261,330.81 and 104,488.73

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Solution

The fourth proportional to 189,366.20, 261,330.81 and 104,488.73 is: 144,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,366.20 : 261,330.81 = 104,488.73 : x
  2. Step 2: Convert to fraction form
    189,366.20/261,330.81 = 104,488.73/x
  3. Step 3: Cross multiply
    189,366.20x = 261,330.81 × 104,488.73
  4. Step 4: Simplify right side
    189,366.20x = 27,306,123,531.95
  5. Step 5: Solve for x
    x = 27,306,123,531.95/189,366.20
  6. Step 6: Final answer
    x = 144,197.46

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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.