Home / 189,883.26-262,038.18-107,090.64

Finding the Fourth Proportional to 189,883.26, 262,038.18 and 107,090.64

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Solution

The fourth proportional to 189,883.26, 262,038.18 and 107,090.64 is: 147,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,883.26 : 262,038.18 = 107,090.64 : x
  2. Step 2: Convert to fraction form
    189,883.26/262,038.18 = 107,090.64/x
  3. Step 3: Cross multiply
    189,883.26x = 262,038.18 × 107,090.64
  4. Step 4: Simplify right side
    189,883.26x = 28,061,836,400.64
  5. Step 5: Solve for x
    x = 28,061,836,400.64/189,883.26
  6. Step 6: Final answer
    x = 147,784.68

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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.