Home / 102,484.17-141,428.39-57,161.03

Finding the Fourth Proportional to 102,484.17, 141,428.39 and 57,161.03

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Solution

The fourth proportional to 102,484.17, 141,428.39 and 57,161.03 is: 78,882.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,484.17 : 141,428.39 = 57,161.03 : x
  2. Step 2: Convert to fraction form
    102,484.17/141,428.39 = 57,161.03/x
  3. Step 3: Cross multiply
    102,484.17x = 141,428.39 × 57,161.03
  4. Step 4: Simplify right side
    102,484.17x = 8,084,191,450.69
  5. Step 5: Solve for x
    x = 8,084,191,450.69/102,484.17
  6. Step 6: Final answer
    x = 78,882.34

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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.