Home / 104,404.16-144,147.12-61,976.32

Finding the Fourth Proportional to 104,404.16, 144,147.12 and 61,976.32

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Solution

The fourth proportional to 104,404.16, 144,147.12 and 61,976.32 is: 85,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.16 : 144,147.12 = 61,976.32 : x
  2. Step 2: Convert to fraction form
    104,404.16/144,147.12 = 61,976.32/x
  3. Step 3: Cross multiply
    104,404.16x = 144,147.12 × 61,976.32
  4. Step 4: Simplify right side
    104,404.16x = 8,933,708,036.20
  5. Step 5: Solve for x
    x = 8,933,708,036.20/104,404.16
  6. Step 6: Final answer
    x = 85,568.51

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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.