Home / 529,185.82-793,780.89-129,829.18

Finding the Fourth Proportional to 529,185.82, 793,780.89 and 129,829.18

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Solution

The fourth proportional to 529,185.82, 793,780.89 and 129,829.18 is: 194,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,185.82 : 793,780.89 = 129,829.18 : x
  2. Step 2: Convert to fraction form
    529,185.82/793,780.89 = 129,829.18/x
  3. Step 3: Cross multiply
    529,185.82x = 793,780.89 × 129,829.18
  4. Step 4: Simplify right side
    529,185.82x = 103,055,922,048.37
  5. Step 5: Solve for x
    x = 103,055,922,048.37/529,185.82
  6. Step 6: Final answer
    x = 194,744.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.