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Finding the Fourth Proportional to 101,607.22, 140,216.21 and 56,284.26

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Solution

The fourth proportional to 101,607.22, 140,216.21 and 56,284.26 is: 77,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,607.22 : 140,216.21 = 56,284.26 : x
  2. Step 2: Convert to fraction form
    101,607.22/140,216.21 = 56,284.26/x
  3. Step 3: Cross multiply
    101,607.22x = 140,216.21 × 56,284.26
  4. Step 4: Simplify right side
    101,607.22x = 7,891,965,619.85
  5. Step 5: Solve for x
    x = 7,891,965,619.85/101,607.22
  6. Step 6: Final answer
    x = 77,671.31

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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.