Home / 105,317.73-145,338.46-57,571.27

Finding the Fourth Proportional to 105,317.73, 145,338.46 and 57,571.27

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Solution

The fourth proportional to 105,317.73, 145,338.46 and 57,571.27 is: 79,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,317.73 : 145,338.46 = 57,571.27 : x
  2. Step 2: Convert to fraction form
    105,317.73/145,338.46 = 57,571.27/x
  3. Step 3: Cross multiply
    105,317.73x = 145,338.46 × 57,571.27
  4. Step 4: Simplify right side
    105,317.73x = 8,367,319,214.77
  5. Step 5: Solve for x
    x = 8,367,319,214.77/105,317.73
  6. Step 6: Final answer
    x = 79,448.34

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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.