Home / 189,648.08-261,704.68-104,748.72

Finding the Fourth Proportional to 189,648.08, 261,704.68 and 104,748.72

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Solution

The fourth proportional to 189,648.08, 261,704.68 and 104,748.72 is: 144,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,648.08 : 261,704.68 = 104,748.72 : x
  2. Step 2: Convert to fraction form
    189,648.08/261,704.68 = 104,748.72/x
  3. Step 3: Cross multiply
    189,648.08x = 261,704.68 × 104,748.72
  4. Step 4: Simplify right side
    189,648.08x = 27,413,230,248.01
  5. Step 5: Solve for x
    x = 27,413,230,248.01/189,648.08
  6. Step 6: Final answer
    x = 144,547.89

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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.