Home / 137,719.58-206,580.29-37,890.32

Finding the Fourth Proportional to 137,719.58, 206,580.29 and 37,890.32

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Solution

The fourth proportional to 137,719.58, 206,580.29 and 37,890.32 is: 56,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,719.58 : 206,580.29 = 37,890.32 : x
  2. Step 2: Convert to fraction form
    137,719.58/206,580.29 = 37,890.32/x
  3. Step 3: Cross multiply
    137,719.58x = 206,580.29 × 37,890.32
  4. Step 4: Simplify right side
    137,719.58x = 7,827,393,293.79
  5. Step 5: Solve for x
    x = 7,827,393,293.79/137,719.58
  6. Step 6: Final answer
    x = 56,835.73

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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.