Home / 163,321.45-245,011.03-74,583.92

Finding the Fourth Proportional to 163,321.45, 245,011.03 and 74,583.92

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Solution

The fourth proportional to 163,321.45, 245,011.03 and 74,583.92 is: 111,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,321.45 : 245,011.03 = 74,583.92 : x
  2. Step 2: Convert to fraction form
    163,321.45/245,011.03 = 74,583.92/x
  3. Step 3: Cross multiply
    163,321.45x = 245,011.03 × 74,583.92
  4. Step 4: Simplify right side
    163,321.45x = 18,273,883,486.71
  5. Step 5: Solve for x
    x = 18,273,883,486.71/163,321.45
  6. Step 6: Final answer
    x = 111,889.06

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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.