Home / 102,696.48-141,716.68-57,374.28

Finding the Fourth Proportional to 102,696.48, 141,716.68 and 57,374.28

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Solution

The fourth proportional to 102,696.48, 141,716.68 and 57,374.28 is: 79,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,696.48 : 141,716.68 = 57,374.28 : x
  2. Step 2: Convert to fraction form
    102,696.48/141,716.68 = 57,374.28/x
  3. Step 3: Cross multiply
    102,696.48x = 141,716.68 × 57,374.28
  4. Step 4: Simplify right side
    102,696.48x = 8,130,892,478.99
  5. Step 5: Solve for x
    x = 8,130,892,478.99/102,696.48
  6. Step 6: Final answer
    x = 79,174.01

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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.