Home / 185,478.67-278,031.03-73,115.37

Finding the Fourth Proportional to 185,478.67, 278,031.03 and 73,115.37

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Solution

The fourth proportional to 185,478.67, 278,031.03 and 73,115.37 is: 109,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,478.67 : 278,031.03 = 73,115.37 : x
  2. Step 2: Convert to fraction form
    185,478.67/278,031.03 = 73,115.37/x
  3. Step 3: Cross multiply
    185,478.67x = 278,031.03 × 73,115.37
  4. Step 4: Simplify right side
    185,478.67x = 20,328,341,629.93
  5. Step 5: Solve for x
    x = 20,328,341,629.93/185,478.67
  6. Step 6: Final answer
    x = 109,599.35

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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.