Home / 102,302.01-141,181.13-56,979.98

Finding the Fourth Proportional to 102,302.01, 141,181.13 and 56,979.98

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Solution

The fourth proportional to 102,302.01, 141,181.13 and 56,979.98 is: 78,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,302.01 : 141,181.13 = 56,979.98 : x
  2. Step 2: Convert to fraction form
    102,302.01/141,181.13 = 56,979.98/x
  3. Step 3: Cross multiply
    102,302.01x = 141,181.13 × 56,979.98
  4. Step 4: Simplify right side
    102,302.01x = 8,044,496,972.97
  5. Step 5: Solve for x
    x = 8,044,496,972.97/102,302.01
  6. Step 6: Final answer
    x = 78,634.79

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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.