Home / 109,450.06-164,011.37-99,081.25

Finding the Fourth Proportional to 109,450.06, 164,011.37 and 99,081.25

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Solution

The fourth proportional to 109,450.06, 164,011.37 and 99,081.25 is: 148,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,450.06 : 164,011.37 = 99,081.25 : x
  2. Step 2: Convert to fraction form
    109,450.06/164,011.37 = 99,081.25/x
  3. Step 3: Cross multiply
    109,450.06x = 164,011.37 × 99,081.25
  4. Step 4: Simplify right side
    109,450.06x = 16,250,450,648.38
  5. Step 5: Solve for x
    x = 16,250,450,648.38/109,450.06
  6. Step 6: Final answer
    x = 148,473.66

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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.