Home / 208,084.28-287,157.26-117,444.06

Finding the Fourth Proportional to 208,084.28, 287,157.26 and 117,444.06

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Solution

The fourth proportional to 208,084.28, 287,157.26 and 117,444.06 is: 162,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,084.28 : 287,157.26 = 117,444.06 : x
  2. Step 2: Convert to fraction form
    208,084.28/287,157.26 = 117,444.06/x
  3. Step 3: Cross multiply
    208,084.28x = 287,157.26 × 117,444.06
  4. Step 4: Simplify right side
    208,084.28x = 33,724,914,766.49
  5. Step 5: Solve for x
    x = 33,724,914,766.49/208,084.28
  6. Step 6: Final answer
    x = 162,073.35

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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.