Home / 92,510.49-138,821.10-39,919.98

Finding the Fourth Proportional to 92,510.49, 138,821.10 and 39,919.98

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Solution

The fourth proportional to 92,510.49, 138,821.10 and 39,919.98 is: 59,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,510.49 : 138,821.10 = 39,919.98 : x
  2. Step 2: Convert to fraction form
    92,510.49/138,821.10 = 39,919.98/x
  3. Step 3: Cross multiply
    92,510.49x = 138,821.10 × 39,919.98
  4. Step 4: Simplify right side
    92,510.49x = 5,541,735,535.58
  5. Step 5: Solve for x
    x = 5,541,735,535.58/92,510.49
  6. Step 6: Final answer
    x = 59,903.86

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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.