Home / 124,321.20-186,481.80-35,577.60

Finding the Fourth Proportional to 124,321.20, 186,481.80 and 35,577.60

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Solution

The fourth proportional to 124,321.20, 186,481.80 and 35,577.60 is: 53,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,321.20 : 186,481.80 = 35,577.60 : x
  2. Step 2: Convert to fraction form
    124,321.20/186,481.80 = 35,577.60/x
  3. Step 3: Cross multiply
    124,321.20x = 186,481.80 × 35,577.60
  4. Step 4: Simplify right side
    124,321.20x = 6,634,574,887.68
  5. Step 5: Solve for x
    x = 6,634,574,887.68/124,321.20
  6. Step 6: Final answer
    x = 53,366.40

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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.