Home / 163,584-245,433.60-80,536.32

Finding the Fourth Proportional to 163,584, 245,433.60 and 80,536.32

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Solution

The fourth proportional to 163,584, 245,433.60 and 80,536.32 is: 120,832.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584 : 245,433.60 = 80,536.32 : x
  2. Step 2: Convert to fraction form
    163,584/245,433.60 = 80,536.32/x
  3. Step 3: Cross multiply
    163,584x = 245,433.60 × 80,536.32
  4. Step 4: Simplify right side
    163,584x = 19,766,318,948.35
  5. Step 5: Solve for x
    x = 19,766,318,948.35/163,584
  6. Step 6: Final answer
    x = 120,832.84

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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.