Home / 146,051.46-201,560.40-82,387.86

Finding the Fourth Proportional to 146,051.46, 201,560.40 and 82,387.86

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Solution

The fourth proportional to 146,051.46, 201,560.40 and 82,387.86 is: 113,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,051.46 : 201,560.40 = 82,387.86 : x
  2. Step 2: Convert to fraction form
    146,051.46/201,560.40 = 82,387.86/x
  3. Step 3: Cross multiply
    146,051.46x = 201,560.40 × 82,387.86
  4. Step 4: Simplify right side
    146,051.46x = 16,606,130,016.74
  5. Step 5: Solve for x
    x = 16,606,130,016.74/146,051.46
  6. Step 6: Final answer
    x = 113,700.54

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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.