Home / 105,649.14-145,795.52-57,252.41

Finding the Fourth Proportional to 105,649.14, 145,795.52 and 57,252.41

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Solution

The fourth proportional to 105,649.14, 145,795.52 and 57,252.41 is: 79,008.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,649.14 : 145,795.52 = 57,252.41 : x
  2. Step 2: Convert to fraction form
    105,649.14/145,795.52 = 57,252.41/x
  3. Step 3: Cross multiply
    105,649.14x = 145,795.52 × 57,252.41
  4. Step 4: Simplify right side
    105,649.14x = 8,347,144,015.09
  5. Step 5: Solve for x
    x = 8,347,144,015.09/105,649.14
  6. Step 6: Final answer
    x = 79,008.16

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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.