Home / 102,733.62-141,777.99-57,411.69

Finding the Fourth Proportional to 102,733.62, 141,777.99 and 57,411.69

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Solution

The fourth proportional to 102,733.62, 141,777.99 and 57,411.69 is: 79,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.62 : 141,777.99 = 57,411.69 : x
  2. Step 2: Convert to fraction form
    102,733.62/141,777.99 = 57,411.69/x
  3. Step 3: Cross multiply
    102,733.62x = 141,777.99 × 57,411.69
  4. Step 4: Simplify right side
    102,733.62x = 8,139,713,301.81
  5. Step 5: Solve for x
    x = 8,139,713,301.81/102,733.62
  6. Step 6: Final answer
    x = 79,231.26

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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.