Home / 185,890.05-278,835.08-165,672.45

Finding the Fourth Proportional to 185,890.05, 278,835.08 and 165,672.45

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Solution

The fourth proportional to 185,890.05, 278,835.08 and 165,672.45 is: 248,508.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.05 : 278,835.08 = 165,672.45 : x
  2. Step 2: Convert to fraction form
    185,890.05/278,835.08 = 165,672.45/x
  3. Step 3: Cross multiply
    185,890.05x = 278,835.08 × 165,672.45
  4. Step 4: Simplify right side
    185,890.05x = 46,195,290,021.18
  5. Step 5: Solve for x
    x = 46,195,290,021.18/185,890.05
  6. Step 6: Final answer
    x = 248,508.68

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1.5x scale

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.