Home / 248,339.04-342,669.76-139,449

Finding the Fourth Proportional to 248,339.04, 342,669.76 and 139,449

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Solution

The fourth proportional to 248,339.04, 342,669.76 and 139,449 is: 192,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,339.04 : 342,669.76 = 139,449 : x
  2. Step 2: Convert to fraction form
    248,339.04/342,669.76 = 139,449/x
  3. Step 3: Cross multiply
    248,339.04x = 342,669.76 × 139,449
  4. Step 4: Simplify right side
    248,339.04x = 47,784,955,362.24
  5. Step 5: Solve for x
    x = 47,784,955,362.24/248,339.04
  6. Step 6: Final answer
    x = 192,418.22

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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.