Home / 147,738.24-203,879.52-80,670.24

Finding the Fourth Proportional to 147,738.24, 203,879.52 and 80,670.24

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Solution

The fourth proportional to 147,738.24, 203,879.52 and 80,670.24 is: 111,325.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738.24 : 203,879.52 = 80,670.24 : x
  2. Step 2: Convert to fraction form
    147,738.24/203,879.52 = 80,670.24/x
  3. Step 3: Cross multiply
    147,738.24x = 203,879.52 × 80,670.24
  4. Step 4: Simplify right side
    147,738.24x = 16,447,009,809.48
  5. Step 5: Solve for x
    x = 16,447,009,809.48/147,738.24
  6. Step 6: Final answer
    x = 111,325.34

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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.