Home / 299,831.63-449,968.57-142,060.23

Finding the Fourth Proportional to 299,831.63, 449,968.57 and 142,060.23

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Solution

The fourth proportional to 299,831.63, 449,968.57 and 142,060.23 is: 213,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,831.63 : 449,968.57 = 142,060.23 : x
  2. Step 2: Convert to fraction form
    299,831.63/449,968.57 = 142,060.23/x
  3. Step 3: Cross multiply
    299,831.63x = 449,968.57 × 142,060.23
  4. Step 4: Simplify right side
    299,831.63x = 63,922,638,191.82
  5. Step 5: Solve for x
    x = 63,922,638,191.82/299,831.63
  6. Step 6: Final answer
    x = 213,195.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.