Home / 209,460.96-289,059.08-113,967.72

Finding the Fourth Proportional to 209,460.96, 289,059.08 and 113,967.72

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Solution

The fourth proportional to 209,460.96, 289,059.08 and 113,967.72 is: 157,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,460.96 : 289,059.08 = 113,967.72 : x
  2. Step 2: Convert to fraction form
    209,460.96/289,059.08 = 113,967.72/x
  3. Step 3: Cross multiply
    209,460.96x = 289,059.08 × 113,967.72
  4. Step 4: Simplify right side
    209,460.96x = 32,943,404,292.90
  5. Step 5: Solve for x
    x = 32,943,404,292.90/209,460.96
  6. Step 6: Final answer
    x = 157,277.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.