Home / 209,488.88-289,098.16-113,997.04

Finding the Fourth Proportional to 209,488.88, 289,098.16 and 113,997.04

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Solution

The fourth proportional to 209,488.88, 289,098.16 and 113,997.04 is: 157,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,488.88 : 289,098.16 = 113,997.04 : x
  2. Step 2: Convert to fraction form
    209,488.88/289,098.16 = 113,997.04/x
  3. Step 3: Cross multiply
    209,488.88x = 289,098.16 × 113,997.04
  4. Step 4: Simplify right side
    209,488.88x = 32,956,334,509.45
  5. Step 5: Solve for x
    x = 32,956,334,509.45/209,488.88
  6. Step 6: Final answer
    x = 157,317.82

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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.