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Finding the Fourth Proportional to 133,879.08, 184,753.22 and 74,263.08

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Solution

The fourth proportional to 133,879.08, 184,753.22 and 74,263.08 is: 102,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,879.08 : 184,753.22 = 74,263.08 : x
  2. Step 2: Convert to fraction form
    133,879.08/184,753.22 = 74,263.08/x
  3. Step 3: Cross multiply
    133,879.08x = 184,753.22 × 74,263.08
  4. Step 4: Simplify right side
    133,879.08x = 13,720,343,157.12
  5. Step 5: Solve for x
    x = 13,720,343,157.12/133,879.08
  6. Step 6: Final answer
    x = 102,483.10

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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.