Home / 102,815.65-141,885.98-59,805.46

Finding the Fourth Proportional to 102,815.65, 141,885.98 and 59,805.46

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Solution

The fourth proportional to 102,815.65, 141,885.98 and 59,805.46 is: 82,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,815.65 : 141,885.98 = 59,805.46 : x
  2. Step 2: Convert to fraction form
    102,815.65/141,885.98 = 59,805.46/x
  3. Step 3: Cross multiply
    102,815.65x = 141,885.98 × 59,805.46
  4. Step 4: Simplify right side
    102,815.65x = 8,485,556,301.45
  5. Step 5: Solve for x
    x = 8,485,556,301.45/102,815.65
  6. Step 6: Final answer
    x = 82,531.76

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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.