Home / 216,133.72-298,314.30-126,738.52

Finding the Fourth Proportional to 216,133.72, 298,314.30 and 126,738.52

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Solution

The fourth proportional to 216,133.72, 298,314.30 and 126,738.52 is: 174,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,133.72 : 298,314.30 = 126,738.52 : x
  2. Step 2: Convert to fraction form
    216,133.72/298,314.30 = 126,738.52/x
  3. Step 3: Cross multiply
    216,133.72x = 298,314.30 × 126,738.52
  4. Step 4: Simplify right side
    216,133.72x = 37,807,912,876.84
  5. Step 5: Solve for x
    x = 37,807,912,876.84/216,133.72
  6. Step 6: Final answer
    x = 174,928.34

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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.