Home / 179,830.09-269,659.07-84,981.12

Finding the Fourth Proportional to 179,830.09, 269,659.07 and 84,981.12

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Solution

The fourth proportional to 179,830.09, 269,659.07 and 84,981.12 is: 127,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,830.09 : 269,659.07 = 84,981.12 : x
  2. Step 2: Convert to fraction form
    179,830.09/269,659.07 = 84,981.12/x
  3. Step 3: Cross multiply
    179,830.09x = 269,659.07 × 84,981.12
  4. Step 4: Simplify right side
    179,830.09x = 22,915,928,438.46
  5. Step 5: Solve for x
    x = 22,915,928,438.46/179,830.09
  6. Step 6: Final answer
    x = 127,431.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.