Home / 202,370.15-279,280.16-111,738.98

Finding the Fourth Proportional to 202,370.15, 279,280.16 and 111,738.98

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Solution

The fourth proportional to 202,370.15, 279,280.16 and 111,738.98 is: 154,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,370.15 : 279,280.16 = 111,738.98 : x
  2. Step 2: Convert to fraction form
    202,370.15/279,280.16 = 111,738.98/x
  3. Step 3: Cross multiply
    202,370.15x = 279,280.16 × 111,738.98
  4. Step 4: Simplify right side
    202,370.15x = 31,206,478,257.54
  5. Step 5: Solve for x
    x = 31,206,478,257.54/202,370.15
  6. Step 6: Final answer
    x = 154,204.95

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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.