Home / 122,485.36-183,734.92-38,257.16

Finding the Fourth Proportional to 122,485.36, 183,734.92 and 38,257.16

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Solution

The fourth proportional to 122,485.36, 183,734.92 and 38,257.16 is: 57,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,485.36 : 183,734.92 = 38,257.16 : x
  2. Step 2: Convert to fraction form
    122,485.36/183,734.92 = 38,257.16/x
  3. Step 3: Cross multiply
    122,485.36x = 183,734.92 × 38,257.16
  4. Step 4: Simplify right side
    122,485.36x = 7,029,176,232.03
  5. Step 5: Solve for x
    x = 7,029,176,232.03/122,485.36
  6. Step 6: Final answer
    x = 57,387.89

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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.