Home / 101,462.37-140,074.38-61,186.34

Finding the Fourth Proportional to 101,462.37, 140,074.38 and 61,186.34

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Solution

The fourth proportional to 101,462.37, 140,074.38 and 61,186.34 is: 84,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,462.37 : 140,074.38 = 61,186.34 : x
  2. Step 2: Convert to fraction form
    101,462.37/140,074.38 = 61,186.34/x
  3. Step 3: Cross multiply
    101,462.37x = 140,074.38 × 61,186.34
  4. Step 4: Simplify right side
    101,462.37x = 8,570,637,939.60
  5. Step 5: Solve for x
    x = 8,570,637,939.60/101,462.37
  6. Step 6: Final answer
    x = 84,471.10

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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.