Home / 209,310.42-288,842.34-118,674.84

Finding the Fourth Proportional to 209,310.42, 288,842.34 and 118,674.84

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Solution

The fourth proportional to 209,310.42, 288,842.34 and 118,674.84 is: 163,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,310.42 : 288,842.34 = 118,674.84 : x
  2. Step 2: Convert to fraction form
    209,310.42/288,842.34 = 118,674.84/x
  3. Step 3: Cross multiply
    209,310.42x = 288,842.34 × 118,674.84
  4. Step 4: Simplify right side
    209,310.42x = 34,278,318,484.73
  5. Step 5: Solve for x
    x = 34,278,318,484.73/209,310.42
  6. Step 6: Final answer
    x = 163,767.85

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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.