Home / 212,744.82-319,011.93-124,020.66

Finding the Fourth Proportional to 212,744.82, 319,011.93 and 124,020.66

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Solution

The fourth proportional to 212,744.82, 319,011.93 and 124,020.66 is: 185,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,744.82 : 319,011.93 = 124,020.66 : x
  2. Step 2: Convert to fraction form
    212,744.82/319,011.93 = 124,020.66/x
  3. Step 3: Cross multiply
    212,744.82x = 319,011.93 × 124,020.66
  4. Step 4: Simplify right side
    212,744.82x = 39,564,070,106.47
  5. Step 5: Solve for x
    x = 39,564,070,106.47/212,744.82
  6. Step 6: Final answer
    x = 185,969.60

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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.