Home / 208,815.32-288,147.84-118,166.60

Finding the Fourth Proportional to 208,815.32, 288,147.84 and 118,166.60

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Solution

The fourth proportional to 208,815.32, 288,147.84 and 118,166.60 is: 163,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,815.32 : 288,147.84 = 118,166.60 : x
  2. Step 2: Convert to fraction form
    208,815.32/288,147.84 = 118,166.60/x
  3. Step 3: Cross multiply
    208,815.32x = 288,147.84 × 118,166.60
  4. Step 4: Simplify right side
    208,815.32x = 34,049,450,550.14
  5. Step 5: Solve for x
    x = 34,049,450,550.14/208,815.32
  6. Step 6: Final answer
    x = 163,060.12

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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.