Home / 106,006.12-146,297.42-72,089.84

Finding the Fourth Proportional to 106,006.12, 146,297.42 and 72,089.84

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Solution

The fourth proportional to 106,006.12, 146,297.42 and 72,089.84 is: 99,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,006.12 : 146,297.42 = 72,089.84 : x
  2. Step 2: Convert to fraction form
    106,006.12/146,297.42 = 72,089.84/x
  3. Step 3: Cross multiply
    106,006.12x = 146,297.42 × 72,089.84
  4. Step 4: Simplify right side
    106,006.12x = 10,546,557,600.21
  5. Step 5: Solve for x
    x = 10,546,557,600.21/106,006.12
  6. Step 6: Final answer
    x = 99,490.08

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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.