Home / 202,010.52-278,780.50-111,370.30

Finding the Fourth Proportional to 202,010.52, 278,780.50 and 111,370.30

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Solution

The fourth proportional to 202,010.52, 278,780.50 and 111,370.30 is: 153,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,010.52 : 278,780.50 = 111,370.30 : x
  2. Step 2: Convert to fraction form
    202,010.52/278,780.50 = 111,370.30/x
  3. Step 3: Cross multiply
    202,010.52x = 278,780.50 × 111,370.30
  4. Step 4: Simplify right side
    202,010.52x = 31,047,867,919.15
  5. Step 5: Solve for x
    x = 31,047,867,919.15/202,010.52
  6. Step 6: Final answer
    x = 153,694.31

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1.5x scale

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.