Home / 84,510.61-126,756.31-22,185.97

Finding the Fourth Proportional to 84,510.61, 126,756.31 and 22,185.97

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Solution

The fourth proportional to 84,510.61, 126,756.31 and 22,185.97 is: 33,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,510.61 : 126,756.31 = 22,185.97 : x
  2. Step 2: Convert to fraction form
    84,510.61/126,756.31 = 22,185.97/x
  3. Step 3: Cross multiply
    84,510.61x = 126,756.31 × 22,185.97
  4. Step 4: Simplify right side
    84,510.61x = 2,812,211,690.97
  5. Step 5: Solve for x
    x = 2,812,211,690.97/84,510.61
  6. Step 6: Final answer
    x = 33,276.43

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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.