Home / 105,714.15-145,885.41-57,968.28

Finding the Fourth Proportional to 105,714.15, 145,885.41 and 57,968.28

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Solution

The fourth proportional to 105,714.15, 145,885.41 and 57,968.28 is: 79,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,714.15 : 145,885.41 = 57,968.28 : x
  2. Step 2: Convert to fraction form
    105,714.15/145,885.41 = 57,968.28/x
  3. Step 3: Cross multiply
    105,714.15x = 145,885.41 × 57,968.28
  4. Step 4: Simplify right side
    105,714.15x = 8,456,726,294.79
  5. Step 5: Solve for x
    x = 8,456,726,294.79/105,714.15
  6. Step 6: Final answer
    x = 79,996.16

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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.