Home / 105,190.26-145,166.10-59,257.82

Finding the Fourth Proportional to 105,190.26, 145,166.10 and 59,257.82

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Solution

The fourth proportional to 105,190.26, 145,166.10 and 59,257.82 is: 81,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.26 : 145,166.10 = 59,257.82 : x
  2. Step 2: Convert to fraction form
    105,190.26/145,166.10 = 59,257.82/x
  3. Step 3: Cross multiply
    105,190.26x = 145,166.10 × 59,257.82
  4. Step 4: Simplify right side
    105,190.26x = 8,602,226,623.90
  5. Step 5: Solve for x
    x = 8,602,226,623.90/105,190.26
  6. Step 6: Final answer
    x = 81,777.79

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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.