Home / 102,484.37-141,428.62-57,165.28

Finding the Fourth Proportional to 102,484.37, 141,428.62 and 57,165.28

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Solution

The fourth proportional to 102,484.37, 141,428.62 and 57,165.28 is: 78,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,484.37 : 141,428.62 = 57,165.28 : x
  2. Step 2: Convert to fraction form
    102,484.37/141,428.62 = 57,165.28/x
  3. Step 3: Cross multiply
    102,484.37x = 141,428.62 × 57,165.28
  4. Step 4: Simplify right side
    102,484.37x = 8,084,806,662.31
  5. Step 5: Solve for x
    x = 8,084,806,662.31/102,484.37
  6. Step 6: Final answer
    x = 78,888.19

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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.