Home / 101,675.25-140,316.84-61,388.28

Finding the Fourth Proportional to 101,675.25, 140,316.84 and 61,388.28

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Solution

The fourth proportional to 101,675.25, 140,316.84 and 61,388.28 is: 84,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,675.25 : 140,316.84 = 61,388.28 : x
  2. Step 2: Convert to fraction form
    101,675.25/140,316.84 = 61,388.28/x
  3. Step 3: Cross multiply
    101,675.25x = 140,316.84 × 61,388.28
  4. Step 4: Simplify right side
    101,675.25x = 8,613,809,462.64
  5. Step 5: Solve for x
    x = 8,613,809,462.64/101,675.25
  6. Step 6: Final answer
    x = 84,718.84

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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.