Home / 236,350-326,164.02-128,922.36

Finding the Fourth Proportional to 236,350, 326,164.02 and 128,922.36

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Solution

The fourth proportional to 236,350, 326,164.02 and 128,922.36 is: 177,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,350 : 326,164.02 = 128,922.36 : x
  2. Step 2: Convert to fraction form
    236,350/326,164.02 = 128,922.36/x
  3. Step 3: Cross multiply
    236,350x = 326,164.02 × 128,922.36
  4. Step 4: Simplify right side
    236,350x = 42,049,835,205.49
  5. Step 5: Solve for x
    x = 42,049,835,205.49/236,350
  6. Step 6: Final answer
    x = 177,913.41

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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.