Home / 102,883.19-141,984.32-57,558.47

Finding the Fourth Proportional to 102,883.19, 141,984.32 and 57,558.47

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Solution

The fourth proportional to 102,883.19, 141,984.32 and 57,558.47 is: 79,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.19 : 141,984.32 = 57,558.47 : x
  2. Step 2: Convert to fraction form
    102,883.19/141,984.32 = 57,558.47/x
  3. Step 3: Cross multiply
    102,883.19x = 141,984.32 × 57,558.47
  4. Step 4: Simplify right side
    102,883.19x = 8,172,399,225.48
  5. Step 5: Solve for x
    x = 8,172,399,225.48/102,883.19
  6. Step 6: Final answer
    x = 79,433.77

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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.