Home / 208,072.45-287,140.97-117,432.24

Finding the Fourth Proportional to 208,072.45, 287,140.97 and 117,432.24

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Solution

The fourth proportional to 208,072.45, 287,140.97 and 117,432.24 is: 162,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,072.45 : 287,140.97 = 117,432.24 : x
  2. Step 2: Convert to fraction form
    208,072.45/287,140.97 = 117,432.24/x
  3. Step 3: Cross multiply
    208,072.45x = 287,140.97 × 117,432.24
  4. Step 4: Simplify right side
    208,072.45x = 33,719,605,859.12
  5. Step 5: Solve for x
    x = 33,719,605,859.12/208,072.45
  6. Step 6: Final answer
    x = 162,057.04

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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.