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Finding the Fourth Proportional to 184,652.90, 254,832.98 and 102,990.32

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Solution

The fourth proportional to 184,652.90, 254,832.98 and 102,990.32 is: 142,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,652.90 : 254,832.98 = 102,990.32 : x
  2. Step 2: Convert to fraction form
    184,652.90/254,832.98 = 102,990.32/x
  3. Step 3: Cross multiply
    184,652.90x = 254,832.98 × 102,990.32
  4. Step 4: Simplify right side
    184,652.90x = 26,245,328,367.64
  5. Step 5: Solve for x
    x = 26,245,328,367.64/184,652.90
  6. Step 6: Final answer
    x = 142,133.32

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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.