Home / 153,276.45-211,539.92-92,845.32

Finding the Fourth Proportional to 153,276.45, 211,539.92 and 92,845.32

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Solution

The fourth proportional to 153,276.45, 211,539.92 and 92,845.32 is: 128,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,276.45 : 211,539.92 = 92,845.32 : x
  2. Step 2: Convert to fraction form
    153,276.45/211,539.92 = 92,845.32/x
  3. Step 3: Cross multiply
    153,276.45x = 211,539.92 × 92,845.32
  4. Step 4: Simplify right side
    153,276.45x = 19,640,491,100.95
  5. Step 5: Solve for x
    x = 19,640,491,100.95/153,276.45
  6. Step 6: Final answer
    x = 128,137.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.