Home / 104,231.48-143,839.08-56,486

Finding the Fourth Proportional to 104,231.48, 143,839.08 and 56,486

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Solution

The fourth proportional to 104,231.48, 143,839.08 and 56,486 is: 77,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,231.48 : 143,839.08 = 56,486 : x
  2. Step 2: Convert to fraction form
    104,231.48/143,839.08 = 56,486/x
  3. Step 3: Cross multiply
    104,231.48x = 143,839.08 × 56,486
  4. Step 4: Simplify right side
    104,231.48x = 8,124,894,272.88
  5. Step 5: Solve for x
    x = 8,124,894,272.88/104,231.48
  6. Step 6: Final answer
    x = 77,950.48

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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.