Home / 189,814.62-261,931.01-104,925

Finding the Fourth Proportional to 189,814.62, 261,931.01 and 104,925

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Solution

The fourth proportional to 189,814.62, 261,931.01 and 104,925 is: 144,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,814.62 : 261,931.01 = 104,925 : x
  2. Step 2: Convert to fraction form
    189,814.62/261,931.01 = 104,925/x
  3. Step 3: Cross multiply
    189,814.62x = 261,931.01 × 104,925
  4. Step 4: Simplify right side
    189,814.62x = 27,483,110,699.63
  5. Step 5: Solve for x
    x = 27,483,110,699.63/189,814.62
  6. Step 6: Final answer
    x = 144,789.22

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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.