Home / 105,338.22-145,366.79-57,591.96

Finding the Fourth Proportional to 105,338.22, 145,366.79 and 57,591.96

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Solution

The fourth proportional to 105,338.22, 145,366.79 and 57,591.96 is: 79,476.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,338.22 : 145,366.79 = 57,591.96 : x
  2. Step 2: Convert to fraction form
    105,338.22/145,366.79 = 57,591.96/x
  3. Step 3: Cross multiply
    105,338.22x = 145,366.79 × 57,591.96
  4. Step 4: Simplify right side
    105,338.22x = 8,371,958,498.99
  5. Step 5: Solve for x
    x = 8,371,958,498.99/105,338.22
  6. Step 6: Final answer
    x = 79,476.93

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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.