Home / 102,394.40-141,310.74-62,111.96

Finding the Fourth Proportional to 102,394.40, 141,310.74 and 62,111.96

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Solution

The fourth proportional to 102,394.40, 141,310.74 and 62,111.96 is: 85,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.40 : 141,310.74 = 62,111.96 : x
  2. Step 2: Convert to fraction form
    102,394.40/141,310.74 = 62,111.96/x
  3. Step 3: Cross multiply
    102,394.40x = 141,310.74 × 62,111.96
  4. Step 4: Simplify right side
    102,394.40x = 8,777,087,030.45
  5. Step 5: Solve for x
    x = 8,777,087,030.45/102,394.40
  6. Step 6: Final answer
    x = 85,718.43

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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.