Home / 102,326.02-141,207.78-57,003.94

Finding the Fourth Proportional to 102,326.02, 141,207.78 and 57,003.94

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Solution

The fourth proportional to 102,326.02, 141,207.78 and 57,003.94 is: 78,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,326.02 : 141,207.78 = 57,003.94 : x
  2. Step 2: Convert to fraction form
    102,326.02/141,207.78 = 57,003.94/x
  3. Step 3: Cross multiply
    102,326.02x = 141,207.78 × 57,003.94
  4. Step 4: Simplify right side
    102,326.02x = 8,049,399,818.65
  5. Step 5: Solve for x
    x = 8,049,399,818.65/102,326.02
  6. Step 6: Final answer
    x = 78,664.25

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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.