Home / 155,754.08-214,940.52-84,134.10

Finding the Fourth Proportional to 155,754.08, 214,940.52 and 84,134.10

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Solution

The fourth proportional to 155,754.08, 214,940.52 and 84,134.10 is: 116,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,754.08 : 214,940.52 = 84,134.10 : x
  2. Step 2: Convert to fraction form
    155,754.08/214,940.52 = 84,134.10/x
  3. Step 3: Cross multiply
    155,754.08x = 214,940.52 × 84,134.10
  4. Step 4: Simplify right side
    155,754.08x = 18,083,827,203.73
  5. Step 5: Solve for x
    x = 18,083,827,203.73/155,754.08
  6. Step 6: Final answer
    x = 116,105.00

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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.