Home / 228,738.95-315,660.54-126,766.13

Finding the Fourth Proportional to 228,738.95, 315,660.54 and 126,766.13

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Solution

The fourth proportional to 228,738.95, 315,660.54 and 126,766.13 is: 174,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,738.95 : 315,660.54 = 126,766.13 : x
  2. Step 2: Convert to fraction form
    228,738.95/315,660.54 = 126,766.13/x
  3. Step 3: Cross multiply
    228,738.95x = 315,660.54 × 126,766.13
  4. Step 4: Simplify right side
    228,738.95x = 40,015,065,049.51
  5. Step 5: Solve for x
    x = 40,015,065,049.51/228,738.95
  6. Step 6: Final answer
    x = 174,937.70

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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.