Home / 209,353.46-288,899.52-113,860.04

Finding the Fourth Proportional to 209,353.46, 288,899.52 and 113,860.04

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Solution

The fourth proportional to 209,353.46, 288,899.52 and 113,860.04 is: 157,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,353.46 : 288,899.52 = 113,860.04 : x
  2. Step 2: Convert to fraction form
    209,353.46/288,899.52 = 113,860.04/x
  3. Step 3: Cross multiply
    209,353.46x = 288,899.52 × 113,860.04
  4. Step 4: Simplify right side
    209,353.46x = 32,894,110,903.18
  5. Step 5: Solve for x
    x = 32,894,110,903.18/209,353.46
  6. Step 6: Final answer
    x = 157,122.37

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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.