Home / 106,040.25-146,261.97-72,029.70

Finding the Fourth Proportional to 106,040.25, 146,261.97 and 72,029.70

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Solution

The fourth proportional to 106,040.25, 146,261.97 and 72,029.70 is: 99,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,040.25 : 146,261.97 = 72,029.70 : x
  2. Step 2: Convert to fraction form
    106,040.25/146,261.97 = 72,029.70/x
  3. Step 3: Cross multiply
    106,040.25x = 146,261.97 × 72,029.70
  4. Step 4: Simplify right side
    106,040.25x = 10,535,205,820.51
  5. Step 5: Solve for x
    x = 10,535,205,820.51/106,040.25
  6. Step 6: Final answer
    x = 99,351.01

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1.5x scale

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.