Home / 163,564.20-245,054.70-140,236.20

Finding the Fourth Proportional to 163,564.20, 245,054.70 and 140,236.20

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Solution

The fourth proportional to 163,564.20, 245,054.70 and 140,236.20 is: 210,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,564.20 : 245,054.70 = 140,236.20 : x
  2. Step 2: Convert to fraction form
    163,564.20/245,054.70 = 140,236.20/x
  3. Step 3: Cross multiply
    163,564.20x = 245,054.70 × 140,236.20
  4. Step 4: Simplify right side
    163,564.20x = 34,365,539,920.14
  5. Step 5: Solve for x
    x = 34,365,539,920.14/163,564.20
  6. Step 6: Final answer
    x = 210,104.29

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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.