Home / 102,579.56-141,566.92-57,266.46

Finding the Fourth Proportional to 102,579.56, 141,566.92 and 57,266.46

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Solution

The fourth proportional to 102,579.56, 141,566.92 and 57,266.46 is: 79,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.56 : 141,566.92 = 57,266.46 : x
  2. Step 2: Convert to fraction form
    102,579.56/141,566.92 = 57,266.46/x
  3. Step 3: Cross multiply
    102,579.56x = 141,566.92 × 57,266.46
  4. Step 4: Simplify right side
    102,579.56x = 8,107,036,361.50
  5. Step 5: Solve for x
    x = 8,107,036,361.50/102,579.56
  6. Step 6: Final answer
    x = 79,031.69

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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.