Home / 209,231.87-288,733.90-118,596.18

Finding the Fourth Proportional to 209,231.87, 288,733.90 and 118,596.18

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Solution

The fourth proportional to 209,231.87, 288,733.90 and 118,596.18 is: 163,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.87 : 288,733.90 = 118,596.18 : x
  2. Step 2: Convert to fraction form
    209,231.87/288,733.90 = 118,596.18/x
  3. Step 3: Cross multiply
    209,231.87x = 288,733.90 × 118,596.18
  4. Step 4: Simplify right side
    209,231.87x = 34,242,737,576.50
  5. Step 5: Solve for x
    x = 34,242,737,576.50/209,231.87
  6. Step 6: Final answer
    x = 163,659.28

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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.