Home / 105,256.13-145,317.82-68,497.37

Finding the Fourth Proportional to 105,256.13, 145,317.82 and 68,497.37

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Solution

The fourth proportional to 105,256.13, 145,317.82 and 68,497.37 is: 94,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,256.13 : 145,317.82 = 68,497.37 : x
  2. Step 2: Convert to fraction form
    105,256.13/145,317.82 = 68,497.37/x
  3. Step 3: Cross multiply
    105,256.13x = 145,317.82 × 68,497.37
  4. Step 4: Simplify right side
    105,256.13x = 9,953,888,861.03
  5. Step 5: Solve for x
    x = 9,953,888,861.03/105,256.13
  6. Step 6: Final answer
    x = 94,568.25

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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.