Home / 209,423.75-288,982.91-118,750.73

Finding the Fourth Proportional to 209,423.75, 288,982.91 and 118,750.73

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Solution

The fourth proportional to 209,423.75, 288,982.91 and 118,750.73 is: 163,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,423.75 : 288,982.91 = 118,750.73 : x
  2. Step 2: Convert to fraction form
    209,423.75/288,982.91 = 118,750.73/x
  3. Step 3: Cross multiply
    209,423.75x = 288,982.91 × 118,750.73
  4. Step 4: Simplify right side
    209,423.75x = 34,316,930,926.27
  5. Step 5: Solve for x
    x = 34,316,930,926.27/209,423.75
  6. Step 6: Final answer
    x = 163,863.61

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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.