Home / 104,824.64-144,656.13-57,077.12

Finding the Fourth Proportional to 104,824.64, 144,656.13 and 57,077.12

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Solution

The fourth proportional to 104,824.64, 144,656.13 and 57,077.12 is: 78,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,824.64 : 144,656.13 = 57,077.12 : x
  2. Step 2: Convert to fraction form
    104,824.64/144,656.13 = 57,077.12/x
  3. Step 3: Cross multiply
    104,824.64x = 144,656.13 × 57,077.12
  4. Step 4: Simplify right side
    104,824.64x = 8,256,555,290.75
  5. Step 5: Solve for x
    x = 8,256,555,290.75/104,824.64
  6. Step 6: Final answer
    x = 78,765.41

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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.