Home / 208,416.24-312,653.52-68,146.92

Finding the Fourth Proportional to 208,416.24, 312,653.52 and 68,146.92

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Solution

The fourth proportional to 208,416.24, 312,653.52 and 68,146.92 is: 102,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,416.24 : 312,653.52 = 68,146.92 : x
  2. Step 2: Convert to fraction form
    208,416.24/312,653.52 = 68,146.92/x
  3. Step 3: Cross multiply
    208,416.24x = 312,653.52 × 68,146.92
  4. Step 4: Simplify right side
    208,416.24x = 21,306,374,415.16
  5. Step 5: Solve for x
    x = 21,306,374,415.16/208,416.24
  6. Step 6: Final answer
    x = 102,229.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.