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Finding the Fourth Proportional to 167,477.34, 250,636.74 and 103,409.16

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Solution

The fourth proportional to 167,477.34, 250,636.74 and 103,409.16 is: 154,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,477.34 : 250,636.74 = 103,409.16 : x
  2. Step 2: Convert to fraction form
    167,477.34/250,636.74 = 103,409.16/x
  3. Step 3: Cross multiply
    167,477.34x = 250,636.74 × 103,409.16
  4. Step 4: Simplify right side
    167,477.34x = 25,918,134,748.54
  5. Step 5: Solve for x
    x = 25,918,134,748.54/167,477.34
  6. Step 6: Final answer
    x = 154,756.07

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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.