Home / 102,070.22-140,848.90-56,745.44

Finding the Fourth Proportional to 102,070.22, 140,848.90 and 56,745.44

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Solution

The fourth proportional to 102,070.22, 140,848.90 and 56,745.44 is: 78,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,070.22 : 140,848.90 = 56,745.44 : x
  2. Step 2: Convert to fraction form
    102,070.22/140,848.90 = 56,745.44/x
  3. Step 3: Cross multiply
    102,070.22x = 140,848.90 × 56,745.44
  4. Step 4: Simplify right side
    102,070.22x = 7,992,532,486.09
  5. Step 5: Solve for x
    x = 7,992,532,486.09/102,070.22
  6. Step 6: Final answer
    x = 78,304.26

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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.