Home / 208,695.14-287,999.28-118,049.16

Finding the Fourth Proportional to 208,695.14, 287,999.28 and 118,049.16

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Solution

The fourth proportional to 208,695.14, 287,999.28 and 118,049.16 is: 162,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,695.14 : 287,999.28 = 118,049.16 : x
  2. Step 2: Convert to fraction form
    208,695.14/287,999.28 = 118,049.16/x
  3. Step 3: Cross multiply
    208,695.14x = 287,999.28 × 118,049.16
  4. Step 4: Simplify right side
    208,695.14x = 33,998,073,084.60
  5. Step 5: Solve for x
    x = 33,998,073,084.60/208,695.14
  6. Step 6: Final answer
    x = 162,907.83

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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.