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Finding the Fourth Proportional to 192,681.34, 265,724.58 and 165,448.92

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Solution

The fourth proportional to 192,681.34, 265,724.58 and 165,448.92 is: 228,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,681.34 : 265,724.58 = 165,448.92 : x
  2. Step 2: Convert to fraction form
    192,681.34/265,724.58 = 165,448.92/x
  3. Step 3: Cross multiply
    192,681.34x = 265,724.58 × 165,448.92
  4. Step 4: Simplify right side
    192,681.34x = 43,963,844,778.45
  5. Step 5: Solve for x
    x = 43,963,844,778.45/192,681.34
  6. Step 6: Final answer
    x = 228,168.67

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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.