Home / 104,830.32-144,668.60-57,085.68

Finding the Fourth Proportional to 104,830.32, 144,668.60 and 57,085.68

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Solution

The fourth proportional to 104,830.32, 144,668.60 and 57,085.68 is: 78,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,830.32 : 144,668.60 = 57,085.68 : x
  2. Step 2: Convert to fraction form
    104,830.32/144,668.60 = 57,085.68/x
  3. Step 3: Cross multiply
    104,830.32x = 144,668.60 × 57,085.68
  4. Step 4: Simplify right side
    104,830.32x = 8,258,505,405.65
  5. Step 5: Solve for x
    x = 8,258,505,405.65/104,830.32
  6. Step 6: Final answer
    x = 78,779.74

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1.5x scale

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.