Home / 103,272.74-142,504.80-57,941.30

Finding the Fourth Proportional to 103,272.74, 142,504.80 and 57,941.30

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Solution

The fourth proportional to 103,272.74, 142,504.80 and 57,941.30 is: 79,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,272.74 : 142,504.80 = 57,941.30 : x
  2. Step 2: Convert to fraction form
    103,272.74/142,504.80 = 57,941.30/x
  3. Step 3: Cross multiply
    103,272.74x = 142,504.80 × 57,941.30
  4. Step 4: Simplify right side
    103,272.74x = 8,256,912,655.72
  5. Step 5: Solve for x
    x = 8,256,912,655.72/103,272.74
  6. Step 6: Final answer
    x = 79,952.49

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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.