Home / 248,303.07-342,634.53-139,382.46

Finding the Fourth Proportional to 248,303.07, 342,634.53 and 139,382.46

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Solution

The fourth proportional to 248,303.07, 342,634.53 and 139,382.46 is: 192,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,303.07 : 342,634.53 = 139,382.46 : x
  2. Step 2: Convert to fraction form
    248,303.07/342,634.53 = 139,382.46/x
  3. Step 3: Cross multiply
    248,303.07x = 342,634.53 × 139,382.46
  4. Step 4: Simplify right side
    248,303.07x = 47,757,243,672.34
  5. Step 5: Solve for x
    x = 47,757,243,672.34/248,303.07
  6. Step 6: Final answer
    x = 192,334.49

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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.