Home / 102,887.16-141,991.32-57,569.44

Finding the Fourth Proportional to 102,887.16, 141,991.32 and 57,569.44

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Solution

The fourth proportional to 102,887.16, 141,991.32 and 57,569.44 is: 79,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,887.16 : 141,991.32 = 57,569.44 : x
  2. Step 2: Convert to fraction form
    102,887.16/141,991.32 = 57,569.44/x
  3. Step 3: Cross multiply
    102,887.16x = 141,991.32 × 57,569.44
  4. Step 4: Simplify right side
    102,887.16x = 8,174,360,777.26
  5. Step 5: Solve for x
    x = 8,174,360,777.26/102,887.16
  6. Step 6: Final answer
    x = 79,449.77

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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.