Home / 163,822.42-245,733.74-45,493.78

Finding the Fourth Proportional to 163,822.42, 245,733.74 and 45,493.78

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Solution

The fourth proportional to 163,822.42, 245,733.74 and 45,493.78 is: 68,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,822.42 : 245,733.74 = 45,493.78 : x
  2. Step 2: Convert to fraction form
    163,822.42/245,733.74 = 45,493.78/x
  3. Step 3: Cross multiply
    163,822.42x = 245,733.74 × 45,493.78
  4. Step 4: Simplify right side
    163,822.42x = 11,179,356,706.14
  5. Step 5: Solve for x
    x = 11,179,356,706.14/163,822.42
  6. Step 6: Final answer
    x = 68,240.70

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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.