Home / 139,394.07-209,066.43-63,475.20

Finding the Fourth Proportional to 139,394.07, 209,066.43 and 63,475.20

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Solution

The fourth proportional to 139,394.07, 209,066.43 and 63,475.20 is: 95,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,394.07 : 209,066.43 = 63,475.20 : x
  2. Step 2: Convert to fraction form
    139,394.07/209,066.43 = 63,475.20/x
  3. Step 3: Cross multiply
    139,394.07x = 209,066.43 × 63,475.20
  4. Step 4: Simplify right side
    139,394.07x = 13,270,533,457.54
  5. Step 5: Solve for x
    x = 13,270,533,457.54/139,394.07
  6. Step 6: Final answer
    x = 95,201.56

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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.