Home / 239,943.93-360,137.31-121,698.30

Finding the Fourth Proportional to 239,943.93, 360,137.31 and 121,698.30

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Solution

The fourth proportional to 239,943.93, 360,137.31 and 121,698.30 is: 182,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,943.93 : 360,137.31 = 121,698.30 : x
  2. Step 2: Convert to fraction form
    239,943.93/360,137.31 = 121,698.30/x
  3. Step 3: Cross multiply
    239,943.93x = 360,137.31 × 121,698.30
  4. Step 4: Simplify right side
    239,943.93x = 43,828,098,393.57
  5. Step 5: Solve for x
    x = 43,828,098,393.57/239,943.93
  6. Step 6: Final answer
    x = 182,659.75

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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.