Home / 145,530.44-218,379.50-61,284.04

Finding the Fourth Proportional to 145,530.44, 218,379.50 and 61,284.04

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Solution

The fourth proportional to 145,530.44, 218,379.50 and 61,284.04 is: 91,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.44 : 218,379.50 = 61,284.04 : x
  2. Step 2: Convert to fraction form
    145,530.44/218,379.50 = 61,284.04/x
  3. Step 3: Cross multiply
    145,530.44x = 218,379.50 × 61,284.04
  4. Step 4: Simplify right side
    145,530.44x = 13,383,178,013.18
  5. Step 5: Solve for x
    x = 13,383,178,013.18/145,530.44
  6. Step 6: Final answer
    x = 91,961.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.