Home / 225,288.77-310,899.48-121,922.97

Finding the Fourth Proportional to 225,288.77, 310,899.48 and 121,922.97

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Solution

The fourth proportional to 225,288.77, 310,899.48 and 121,922.97 is: 168,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,288.77 : 310,899.48 = 121,922.97 : x
  2. Step 2: Convert to fraction form
    225,288.77/310,899.48 = 121,922.97/x
  3. Step 3: Cross multiply
    225,288.77x = 310,899.48 × 121,922.97
  4. Step 4: Simplify right side
    225,288.77x = 37,905,787,973.06
  5. Step 5: Solve for x
    x = 37,905,787,973.06/225,288.77
  6. Step 6: Final answer
    x = 168,254.23

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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.