Home / 169,966.78-254,979.21-70,072.36

Finding the Fourth Proportional to 169,966.78, 254,979.21 and 70,072.36

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Solution

The fourth proportional to 169,966.78, 254,979.21 and 70,072.36 is: 105,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,966.78 : 254,979.21 = 70,072.36 : x
  2. Step 2: Convert to fraction form
    169,966.78/254,979.21 = 70,072.36/x
  3. Step 3: Cross multiply
    169,966.78x = 254,979.21 × 70,072.36
  4. Step 4: Simplify right side
    169,966.78x = 17,866,994,820.45
  5. Step 5: Solve for x
    x = 17,866,994,820.45/169,966.78
  6. Step 6: Final answer
    x = 105,120.51

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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.