Home / 163,564.35-245,345.72-43,621.04

Finding the Fourth Proportional to 163,564.35, 245,345.72 and 43,621.04

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Solution

The fourth proportional to 163,564.35, 245,345.72 and 43,621.04 is: 65,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564.35 : 245,345.72 = 43,621.04 : x
  2. Step 2: Convert to fraction form
    163,564.35/245,345.72 = 43,621.04/x
  3. Step 3: Cross multiply
    163,564.35x = 245,345.72 × 43,621.04
  4. Step 4: Simplify right side
    163,564.35x = 10,702,234,021.12
  5. Step 5: Solve for x
    x = 10,702,234,021.12/163,564.35
  6. Step 6: Final answer
    x = 65,431.34

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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.