Home / 104,934.87-144,809.91-57,188.07

Finding the Fourth Proportional to 104,934.87, 144,809.91 and 57,188.07

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Solution

The fourth proportional to 104,934.87, 144,809.91 and 57,188.07 is: 78,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.87 : 144,809.91 = 57,188.07 : x
  2. Step 2: Convert to fraction form
    104,934.87/144,809.91 = 57,188.07/x
  3. Step 3: Cross multiply
    104,934.87x = 144,809.91 × 57,188.07
  4. Step 4: Simplify right side
    104,934.87x = 8,281,399,269.77
  5. Step 5: Solve for x
    x = 8,281,399,269.77/104,934.87
  6. Step 6: Final answer
    x = 78,919.42

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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.