Home / 208,180.46-287,427.78-140,298.38

Finding the Fourth Proportional to 208,180.46, 287,427.78 and 140,298.38

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Solution

The fourth proportional to 208,180.46, 287,427.78 and 140,298.38 is: 193,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,180.46 : 287,427.78 = 140,298.38 : x
  2. Step 2: Convert to fraction form
    208,180.46/287,427.78 = 140,298.38/x
  3. Step 3: Cross multiply
    208,180.46x = 287,427.78 × 140,298.38
  4. Step 4: Simplify right side
    208,180.46x = 40,325,651,901.00
  5. Step 5: Solve for x
    x = 40,325,651,901.00/208,180.46
  6. Step 6: Final answer
    x = 193,705.27

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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.