Home / 189,116.24-260,897.72-135,381.64

Finding the Fourth Proportional to 189,116.24, 260,897.72 and 135,381.64

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Solution

The fourth proportional to 189,116.24, 260,897.72 and 135,381.64 is: 186,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,116.24 : 260,897.72 = 135,381.64 : x
  2. Step 2: Convert to fraction form
    189,116.24/260,897.72 = 135,381.64/x
  3. Step 3: Cross multiply
    189,116.24x = 260,897.72 × 135,381.64
  4. Step 4: Simplify right side
    189,116.24x = 35,320,761,205.86
  5. Step 5: Solve for x
    x = 35,320,761,205.86/189,116.24
  6. Step 6: Final answer
    x = 186,767.47

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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.