Home / 202,023.10-278,783.46-110,140.39

Finding the Fourth Proportional to 202,023.10, 278,783.46 and 110,140.39

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Solution

The fourth proportional to 202,023.10, 278,783.46 and 110,140.39 is: 151,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,023.10 : 278,783.46 = 110,140.39 : x
  2. Step 2: Convert to fraction form
    202,023.10/278,783.46 = 110,140.39/x
  3. Step 3: Cross multiply
    202,023.10x = 278,783.46 × 110,140.39
  4. Step 4: Simplify right side
    202,023.10x = 30,705,319,009.95
  5. Step 5: Solve for x
    x = 30,705,319,009.95/202,023.10
  6. Step 6: Final answer
    x = 151,989.15

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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.