Home / 140,827.51-194,341.08-76,297.96

Finding the Fourth Proportional to 140,827.51, 194,341.08 and 76,297.96

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Solution

The fourth proportional to 140,827.51, 194,341.08 and 76,297.96 is: 105,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,827.51 : 194,341.08 = 76,297.96 : x
  2. Step 2: Convert to fraction form
    140,827.51/194,341.08 = 76,297.96/x
  3. Step 3: Cross multiply
    140,827.51x = 194,341.08 × 76,297.96
  4. Step 4: Simplify right side
    140,827.51x = 14,827,827,948.20
  5. Step 5: Solve for x
    x = 14,827,827,948.20/140,827.51
  6. Step 6: Final answer
    x = 105,290.71

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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.