Home / 102,394.54-141,302.05-59,381.72

Finding the Fourth Proportional to 102,394.54, 141,302.05 and 59,381.72

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Solution

The fourth proportional to 102,394.54, 141,302.05 and 59,381.72 is: 81,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.54 : 141,302.05 = 59,381.72 : x
  2. Step 2: Convert to fraction form
    102,394.54/141,302.05 = 59,381.72/x
  3. Step 3: Cross multiply
    102,394.54x = 141,302.05 × 59,381.72
  4. Step 4: Simplify right side
    102,394.54x = 8,390,757,765.11
  5. Step 5: Solve for x
    x = 8,390,757,765.11/102,394.54
  6. Step 6: Final answer
    x = 81,945.36

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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.