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Finding the Fourth Proportional to 101,603.22, 140,217.48 and 61,316.34

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Solution

The fourth proportional to 101,603.22, 140,217.48 and 61,316.34 is: 84,619.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,603.22 : 140,217.48 = 61,316.34 : x
  2. Step 2: Convert to fraction form
    101,603.22/140,217.48 = 61,316.34/x
  3. Step 3: Cross multiply
    101,603.22x = 140,217.48 × 61,316.34
  4. Step 4: Simplify right side
    101,603.22x = 8,597,622,677.62
  5. Step 5: Solve for x
    x = 8,597,622,677.62/101,603.22
  6. Step 6: Final answer
    x = 84,619.59

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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.