Home / 139,765.38-209,680.87-46,271.13

Finding the Fourth Proportional to 139,765.38, 209,680.87 and 46,271.13

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Solution

The fourth proportional to 139,765.38, 209,680.87 and 46,271.13 is: 69,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,765.38 : 209,680.87 = 46,271.13 : x
  2. Step 2: Convert to fraction form
    139,765.38/209,680.87 = 46,271.13/x
  3. Step 3: Cross multiply
    139,765.38x = 209,680.87 × 46,271.13
  4. Step 4: Simplify right side
    139,765.38x = 9,702,170,794.28
  5. Step 5: Solve for x
    x = 9,702,170,794.28/139,765.38
  6. Step 6: Final answer
    x = 69,417.55

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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.