Home / 228,121.47-314,809.66-126,153.79

Finding the Fourth Proportional to 228,121.47, 314,809.66 and 126,153.79

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Solution

The fourth proportional to 228,121.47, 314,809.66 and 126,153.79 is: 174,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,121.47 : 314,809.66 = 126,153.79 : x
  2. Step 2: Convert to fraction form
    228,121.47/314,809.66 = 126,153.79/x
  3. Step 3: Cross multiply
    228,121.47x = 314,809.66 × 126,153.79
  4. Step 4: Simplify right side
    228,121.47x = 39,714,431,698.55
  5. Step 5: Solve for x
    x = 39,714,431,698.55/228,121.47
  6. Step 6: Final answer
    x = 174,093.36

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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.