Home / 139,798.41-209,704.53-39,973.29

Finding the Fourth Proportional to 139,798.41, 209,704.53 and 39,973.29

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Solution

The fourth proportional to 139,798.41, 209,704.53 and 39,973.29 is: 59,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,798.41 : 209,704.53 = 39,973.29 : x
  2. Step 2: Convert to fraction form
    139,798.41/209,704.53 = 39,973.29/x
  3. Step 3: Cross multiply
    139,798.41x = 209,704.53 × 39,973.29
  4. Step 4: Simplify right side
    139,798.41x = 8,382,579,992.00
  5. Step 5: Solve for x
    x = 8,382,579,992.00/139,798.41
  6. Step 6: Final answer
    x = 59,961.91

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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.