Home / 248,122.65-342,399.38-134,945.49

Finding the Fourth Proportional to 248,122.65, 342,399.38 and 134,945.49

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Solution

The fourth proportional to 248,122.65, 342,399.38 and 134,945.49 is: 186,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,122.65 : 342,399.38 = 134,945.49 : x
  2. Step 2: Convert to fraction form
    248,122.65/342,399.38 = 134,945.49/x
  3. Step 3: Cross multiply
    248,122.65x = 342,399.38 × 134,945.49
  4. Step 4: Simplify right side
    248,122.65x = 46,205,251,435.07
  5. Step 5: Solve for x
    x = 46,205,251,435.07/248,122.65
  6. Step 6: Final answer
    x = 186,219.40

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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.