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Finding the Fourth Proportional to 113,007.75, 169,776.22 and 106,624.34

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Solution

The fourth proportional to 113,007.75, 169,776.22 and 106,624.34 is: 160,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,007.75 : 169,776.22 = 106,624.34 : x
  2. Step 2: Convert to fraction form
    113,007.75/169,776.22 = 106,624.34/x
  3. Step 3: Cross multiply
    113,007.75x = 169,776.22 × 106,624.34
  4. Step 4: Simplify right side
    113,007.75x = 18,102,277,405.19
  5. Step 5: Solve for x
    x = 18,102,277,405.19/113,007.75
  6. Step 6: Final answer
    x = 160,186.16

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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.