Home / 137,746.60-206,583.45-42,976.60

Finding the Fourth Proportional to 137,746.60, 206,583.45 and 42,976.60

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Solution

The fourth proportional to 137,746.60, 206,583.45 and 42,976.60 is: 64,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.60 : 206,583.45 = 42,976.60 : x
  2. Step 2: Convert to fraction form
    137,746.60/206,583.45 = 42,976.60/x
  3. Step 3: Cross multiply
    137,746.60x = 206,583.45 × 42,976.60
  4. Step 4: Simplify right side
    137,746.60x = 8,878,254,297.27
  5. Step 5: Solve for x
    x = 8,878,254,297.27/137,746.60
  6. Step 6: Final answer
    x = 64,453.53

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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.