Home / 209,068.82-288,515.22-113,575.52

Finding the Fourth Proportional to 209,068.82, 288,515.22 and 113,575.52

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Solution

The fourth proportional to 209,068.82, 288,515.22 and 113,575.52 is: 156,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,068.82 : 288,515.22 = 113,575.52 : x
  2. Step 2: Convert to fraction form
    209,068.82/288,515.22 = 113,575.52/x
  3. Step 3: Cross multiply
    209,068.82x = 288,515.22 × 113,575.52
  4. Step 4: Simplify right side
    209,068.82x = 32,768,266,139.41
  5. Step 5: Solve for x
    x = 32,768,266,139.41/209,068.82
  6. Step 6: Final answer
    x = 156,734.35

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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.