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Finding the Fourth Proportional to 122,433.69, 183,707.04 and 55,894.23

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Solution

The fourth proportional to 122,433.69, 183,707.04 and 55,894.23 is: 83,867.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,433.69 : 183,707.04 = 55,894.23 : x
  2. Step 2: Convert to fraction form
    122,433.69/183,707.04 = 55,894.23/x
  3. Step 3: Cross multiply
    122,433.69x = 183,707.04 × 55,894.23
  4. Step 4: Simplify right side
    122,433.69x = 10,268,163,546.38
  5. Step 5: Solve for x
    x = 10,268,163,546.38/122,433.69
  6. Step 6: Final answer
    x = 83,867.14

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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.