Home / 185,788.61-278,681.36-110,409.56

Finding the Fourth Proportional to 185,788.61, 278,681.36 and 110,409.56

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Solution

The fourth proportional to 185,788.61, 278,681.36 and 110,409.56 is: 165,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.61 : 278,681.36 = 110,409.56 : x
  2. Step 2: Convert to fraction form
    185,788.61/278,681.36 = 110,409.56/x
  3. Step 3: Cross multiply
    185,788.61x = 278,681.36 × 110,409.56
  4. Step 4: Simplify right side
    185,788.61x = 30,769,085,274.66
  5. Step 5: Solve for x
    x = 30,769,085,274.66/185,788.61
  6. Step 6: Final answer
    x = 165,613.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.