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Finding the Fourth Proportional to 189,035.91, 260,870.36 and 104,152.97

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Solution

The fourth proportional to 189,035.91, 260,870.36 and 104,152.97 is: 143,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,035.91 : 260,870.36 = 104,152.97 : x
  2. Step 2: Convert to fraction form
    189,035.91/260,870.36 = 104,152.97/x
  3. Step 3: Cross multiply
    189,035.91x = 260,870.36 × 104,152.97
  4. Step 4: Simplify right side
    189,035.91x = 27,170,422,910.38
  5. Step 5: Solve for x
    x = 27,170,422,910.38/189,035.91
  6. Step 6: Final answer
    x = 143,731.54

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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.