Home / 189,381.03-261,345.52-104,498.02

Finding the Fourth Proportional to 189,381.03, 261,345.52 and 104,498.02

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Solution

The fourth proportional to 189,381.03, 261,345.52 and 104,498.02 is: 144,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,381.03 : 261,345.52 = 104,498.02 : x
  2. Step 2: Convert to fraction form
    189,381.03/261,345.52 = 104,498.02/x
  3. Step 3: Cross multiply
    189,381.03x = 261,345.52 × 104,498.02
  4. Step 4: Simplify right side
    189,381.03x = 27,310,089,375.87
  5. Step 5: Solve for x
    x = 27,310,089,375.87/189,381.03
  6. Step 6: Final answer
    x = 144,207.10

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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.