Home / 134,026.12-184,964.34-74,410.12

Finding the Fourth Proportional to 134,026.12, 184,964.34 and 74,410.12

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Solution

The fourth proportional to 134,026.12, 184,964.34 and 74,410.12 is: 102,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,026.12 : 184,964.34 = 74,410.12 : x
  2. Step 2: Convert to fraction form
    134,026.12/184,964.34 = 74,410.12/x
  3. Step 3: Cross multiply
    134,026.12x = 184,964.34 × 74,410.12
  4. Step 4: Simplify right side
    134,026.12x = 13,763,218,735.12
  5. Step 5: Solve for x
    x = 13,763,218,735.12/134,026.12
  6. Step 6: Final answer
    x = 102,690.57

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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.