Home / 243,144.06-335,594.79-142,574.46

Finding the Fourth Proportional to 243,144.06, 335,594.79 and 142,574.46

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Solution

The fourth proportional to 243,144.06, 335,594.79 and 142,574.46 is: 196,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,144.06 : 335,594.79 = 142,574.46 : x
  2. Step 2: Convert to fraction form
    243,144.06/335,594.79 = 142,574.46/x
  3. Step 3: Cross multiply
    243,144.06x = 335,594.79 × 142,574.46
  4. Step 4: Simplify right side
    243,144.06x = 47,847,245,963.06
  5. Step 5: Solve for x
    x = 47,847,245,963.06/243,144.06
  6. Step 6: Final answer
    x = 196,785.58

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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.