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Finding the Fourth Proportional to 192,410.95, 265,497.37 and 107,511.61

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Solution

The fourth proportional to 192,410.95, 265,497.37 and 107,511.61 is: 148,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,410.95 : 265,497.37 = 107,511.61 : x
  2. Step 2: Convert to fraction form
    192,410.95/265,497.37 = 107,511.61/x
  3. Step 3: Cross multiply
    192,410.95x = 265,497.37 × 107,511.61
  4. Step 4: Simplify right side
    192,410.95x = 28,544,049,699.47
  5. Step 5: Solve for x
    x = 28,544,049,699.47/192,410.95
  6. Step 6: Final answer
    x = 148,349.40

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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.