Home / 189,462.74-261,458.37-104,579.60

Finding the Fourth Proportional to 189,462.74, 261,458.37 and 104,579.60

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Solution

The fourth proportional to 189,462.74, 261,458.37 and 104,579.60 is: 144,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,462.74 : 261,458.37 = 104,579.60 : x
  2. Step 2: Convert to fraction form
    189,462.74/261,458.37 = 104,579.60/x
  3. Step 3: Cross multiply
    189,462.74x = 261,458.37 × 104,579.60
  4. Step 4: Simplify right side
    189,462.74x = 27,343,210,443.96
  5. Step 5: Solve for x
    x = 27,343,210,443.96/189,462.74
  6. Step 6: Final answer
    x = 144,319.73

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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.