Home / 122,850.36-184,051.98-85,331.16

Finding the Fourth Proportional to 122,850.36, 184,051.98 and 85,331.16

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Solution

The fourth proportional to 122,850.36, 184,051.98 and 85,331.16 is: 127,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,850.36 : 184,051.98 = 85,331.16 : x
  2. Step 2: Convert to fraction form
    122,850.36/184,051.98 = 85,331.16/x
  3. Step 3: Cross multiply
    122,850.36x = 184,051.98 × 85,331.16
  4. Step 4: Simplify right side
    122,850.36x = 15,705,368,953.70
  5. Step 5: Solve for x
    x = 15,705,368,953.70/122,850.36
  6. Step 6: Final answer
    x = 127,841.46

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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.