Home / 189,375.60-261,343.76-104,498.13

Finding the Fourth Proportional to 189,375.60, 261,343.76 and 104,498.13

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Solution

The fourth proportional to 189,375.60, 261,343.76 and 104,498.13 is: 144,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,375.60 : 261,343.76 = 104,498.13 : x
  2. Step 2: Convert to fraction form
    189,375.60/261,343.76 = 104,498.13/x
  3. Step 3: Cross multiply
    189,375.60x = 261,343.76 × 104,498.13
  4. Step 4: Simplify right side
    189,375.60x = 27,309,934,207.17
  5. Step 5: Solve for x
    x = 27,309,934,207.17/189,375.60
  6. Step 6: Final answer
    x = 144,210.42

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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.