Home / 139,986.04-209,979.87-34,805.00

Finding the Fourth Proportional to 139,986.04, 209,979.87 and 34,805.00

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Solution

The fourth proportional to 139,986.04, 209,979.87 and 34,805.00 is: 52,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,986.04 : 209,979.87 = 34,805.00 : x
  2. Step 2: Convert to fraction form
    139,986.04/209,979.87 = 34,805.00/x
  3. Step 3: Cross multiply
    139,986.04x = 209,979.87 × 34,805.00
  4. Step 4: Simplify right side
    139,986.04x = 7,308,350,162.95
  5. Step 5: Solve for x
    x = 7,308,350,162.95/139,986.04
  6. Step 6: Final answer
    x = 52,207.71

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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.