Home / 163,930.80-245,874.66-51,611.60

Finding the Fourth Proportional to 163,930.80, 245,874.66 and 51,611.60

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Solution

The fourth proportional to 163,930.80, 245,874.66 and 51,611.60 is: 77,410.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,930.80 : 245,874.66 = 51,611.60 : x
  2. Step 2: Convert to fraction form
    163,930.80/245,874.66 = 51,611.60/x
  3. Step 3: Cross multiply
    163,930.80x = 245,874.66 × 51,611.60
  4. Step 4: Simplify right side
    163,930.80x = 12,689,984,602.06
  5. Step 5: Solve for x
    x = 12,689,984,602.06/163,930.80
  6. Step 6: Final answer
    x = 77,410.62

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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.