Home / 66,081.72-99,121.73-16,162.23

Finding the Fourth Proportional to 66,081.72, 99,121.73 and 16,162.23

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Solution

The fourth proportional to 66,081.72, 99,121.73 and 16,162.23 is: 24,243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,081.72 : 99,121.73 = 16,162.23 : x
  2. Step 2: Convert to fraction form
    66,081.72/99,121.73 = 16,162.23/x
  3. Step 3: Cross multiply
    66,081.72x = 99,121.73 × 16,162.23
  4. Step 4: Simplify right side
    66,081.72x = 1,602,028,580.07
  5. Step 5: Solve for x
    x = 1,602,028,580.07/66,081.72
  6. Step 6: Final answer
    x = 24,243.14

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1.5x scale

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.