Home / 163,579.40-245,386.69-68,819.23

Finding the Fourth Proportional to 163,579.40, 245,386.69 and 68,819.23

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Solution

The fourth proportional to 163,579.40, 245,386.69 and 68,819.23 is: 103,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.40 : 245,386.69 = 68,819.23 : x
  2. Step 2: Convert to fraction form
    163,579.40/245,386.69 = 68,819.23/x
  3. Step 3: Cross multiply
    163,579.40x = 245,386.69 × 68,819.23
  4. Step 4: Simplify right side
    163,579.40x = 16,887,322,272.53
  5. Step 5: Solve for x
    x = 16,887,322,272.53/163,579.40
  6. Step 6: Final answer
    x = 103,236.24

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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.