Home / 169,780.07-254,725.25-81,022.02

Finding the Fourth Proportional to 169,780.07, 254,725.25 and 81,022.02

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Solution

The fourth proportional to 169,780.07, 254,725.25 and 81,022.02 is: 121,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,780.07 : 254,725.25 = 81,022.02 : x
  2. Step 2: Convert to fraction form
    169,780.07/254,725.25 = 81,022.02/x
  3. Step 3: Cross multiply
    169,780.07x = 254,725.25 × 81,022.02
  4. Step 4: Simplify right side
    169,780.07x = 20,638,353,894.89
  5. Step 5: Solve for x
    x = 20,638,353,894.89/169,780.07
  6. Step 6: Final answer
    x = 121,559.35

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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.