Home / 139,723.02-209,584.53-114,999.12

Finding the Fourth Proportional to 139,723.02, 209,584.53 and 114,999.12

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Solution

The fourth proportional to 139,723.02, 209,584.53 and 114,999.12 is: 172,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,723.02 : 209,584.53 = 114,999.12 : x
  2. Step 2: Convert to fraction form
    139,723.02/209,584.53 = 114,999.12/x
  3. Step 3: Cross multiply
    139,723.02x = 209,584.53 × 114,999.12
  4. Step 4: Simplify right side
    139,723.02x = 24,102,036,515.61
  5. Step 5: Solve for x
    x = 24,102,036,515.61/139,723.02
  6. Step 6: Final answer
    x = 172,498.68

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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.