Home / 248,362.36-342,787.30-140,942.40

Finding the Fourth Proportional to 248,362.36, 342,787.30 and 140,942.40

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Solution

The fourth proportional to 248,362.36, 342,787.30 and 140,942.40 is: 194,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,362.36 : 342,787.30 = 140,942.40 : x
  2. Step 2: Convert to fraction form
    248,362.36/342,787.30 = 140,942.40/x
  3. Step 3: Cross multiply
    248,362.36x = 342,787.30 × 140,942.40
  4. Step 4: Simplify right side
    248,362.36x = 48,313,264,751.52
  5. Step 5: Solve for x
    x = 48,313,264,751.52/248,362.36
  6. Step 6: Final answer
    x = 194,527.32

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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.