Home / 137,823.39-206,739.27-37,985.22

Finding the Fourth Proportional to 137,823.39, 206,739.27 and 37,985.22

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Solution

The fourth proportional to 137,823.39, 206,739.27 and 37,985.22 is: 56,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823.39 : 206,739.27 = 37,985.22 : x
  2. Step 2: Convert to fraction form
    137,823.39/206,739.27 = 37,985.22/x
  3. Step 3: Cross multiply
    137,823.39x = 206,739.27 × 37,985.22
  4. Step 4: Simplify right side
    137,823.39x = 7,853,036,653.59
  5. Step 5: Solve for x
    x = 7,853,036,653.59/137,823.39
  6. Step 6: Final answer
    x = 56,978.98

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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.