Home / 92,279.64-138,406.32-29,091.56

Finding the Fourth Proportional to 92,279.64, 138,406.32 and 29,091.56

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Solution

The fourth proportional to 92,279.64, 138,406.32 and 29,091.56 is: 43,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279.64 : 138,406.32 = 29,091.56 : x
  2. Step 2: Convert to fraction form
    92,279.64/138,406.32 = 29,091.56/x
  3. Step 3: Cross multiply
    92,279.64x = 138,406.32 × 29,091.56
  4. Step 4: Simplify right side
    92,279.64x = 4,026,455,762.66
  5. Step 5: Solve for x
    x = 4,026,455,762.66/92,279.64
  6. Step 6: Final answer
    x = 43,633.20

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1.5x scale

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.