Home / 103,271.74-142,503.43-57,940.29

Finding the Fourth Proportional to 103,271.74, 142,503.43 and 57,940.29

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Solution

The fourth proportional to 103,271.74, 142,503.43 and 57,940.29 is: 79,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.74 : 142,503.43 = 57,940.29 : x
  2. Step 2: Convert to fraction form
    103,271.74/142,503.43 = 57,940.29/x
  3. Step 3: Cross multiply
    103,271.74x = 142,503.43 × 57,940.29
  4. Step 4: Simplify right side
    103,271.74x = 8,256,689,770.49
  5. Step 5: Solve for x
    x = 8,256,689,770.49/103,271.74
  6. Step 6: Final answer
    x = 79,951.11

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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.