Home / 209,495.12-314,291.92-69,253.76

Finding the Fourth Proportional to 209,495.12, 314,291.92 and 69,253.76

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Solution

The fourth proportional to 209,495.12, 314,291.92 and 69,253.76 is: 103,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,495.12 : 314,291.92 = 69,253.76 : x
  2. Step 2: Convert to fraction form
    209,495.12/314,291.92 = 69,253.76/x
  3. Step 3: Cross multiply
    209,495.12x = 314,291.92 × 69,253.76
  4. Step 4: Simplify right side
    209,495.12x = 21,765,897,197.62
  5. Step 5: Solve for x
    x = 21,765,897,197.62/209,495.12
  6. Step 6: Final answer
    x = 103,896.92

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1.5x scale

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.