Home / 189,503.37-261,513.30-103,462.35

Finding the Fourth Proportional to 189,503.37, 261,513.30 and 103,462.35

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Solution

The fourth proportional to 189,503.37, 261,513.30 and 103,462.35 is: 142,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,503.37 : 261,513.30 = 103,462.35 : x
  2. Step 2: Convert to fraction form
    189,503.37/261,513.30 = 103,462.35/x
  3. Step 3: Cross multiply
    189,503.37x = 261,513.30 × 103,462.35
  4. Step 4: Simplify right side
    189,503.37x = 27,056,780,574.26
  5. Step 5: Solve for x
    x = 27,056,780,574.26/189,503.37
  6. Step 6: Final answer
    x = 142,777.30

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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.