Home / 112,197.44-154,832.90-61,211.31

Finding the Fourth Proportional to 112,197.44, 154,832.90 and 61,211.31

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Solution

The fourth proportional to 112,197.44, 154,832.90 and 61,211.31 is: 84,471.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,197.44 : 154,832.90 = 61,211.31 : x
  2. Step 2: Convert to fraction form
    112,197.44/154,832.90 = 61,211.31/x
  3. Step 3: Cross multiply
    112,197.44x = 154,832.90 × 61,211.31
  4. Step 4: Simplify right side
    112,197.44x = 9,477,524,334.04
  5. Step 5: Solve for x
    x = 9,477,524,334.04/112,197.44
  6. Step 6: Final answer
    x = 84,471.84

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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.