Home / 104,642.20-144,404.53-56,896.75

Finding the Fourth Proportional to 104,642.20, 144,404.53 and 56,896.75

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Solution

The fourth proportional to 104,642.20, 144,404.53 and 56,896.75 is: 78,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.20 : 144,404.53 = 56,896.75 : x
  2. Step 2: Convert to fraction form
    104,642.20/144,404.53 = 56,896.75/x
  3. Step 3: Cross multiply
    104,642.20x = 144,404.53 × 56,896.75
  4. Step 4: Simplify right side
    104,642.20x = 8,216,148,442.28
  5. Step 5: Solve for x
    x = 8,216,148,442.28/104,642.20
  6. Step 6: Final answer
    x = 78,516.59

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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.