Home / 243,018.20-364,235.70-124,628.60

Finding the Fourth Proportional to 243,018.20, 364,235.70 and 124,628.60

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Solution

The fourth proportional to 243,018.20, 364,235.70 and 124,628.60 is: 186,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,018.20 : 364,235.70 = 124,628.60 : x
  2. Step 2: Convert to fraction form
    243,018.20/364,235.70 = 124,628.60/x
  3. Step 3: Cross multiply
    243,018.20x = 364,235.70 × 124,628.60
  4. Step 4: Simplify right side
    243,018.20x = 45,394,185,361.02
  5. Step 5: Solve for x
    x = 45,394,185,361.02/243,018.20
  6. Step 6: Final answer
    x = 186,793.36

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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.