Home / 219,211.20-302,511.60-118,608.96

Finding the Fourth Proportional to 219,211.20, 302,511.60 and 118,608.96

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Solution

The fourth proportional to 219,211.20, 302,511.60 and 118,608.96 is: 163,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,211.20 : 302,511.60 = 118,608.96 : x
  2. Step 2: Convert to fraction form
    219,211.20/302,511.60 = 118,608.96/x
  3. Step 3: Cross multiply
    219,211.20x = 302,511.60 × 118,608.96
  4. Step 4: Simplify right side
    219,211.20x = 35,880,586,263.94
  5. Step 5: Solve for x
    x = 35,880,586,263.94/219,211.20
  6. Step 6: Final answer
    x = 163,680.44

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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.