Home / 103,274.10-142,506.54-57,942.63

Finding the Fourth Proportional to 103,274.10, 142,506.54 and 57,942.63

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Solution

The fourth proportional to 103,274.10, 142,506.54 and 57,942.63 is: 79,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274.10 : 142,506.54 = 57,942.63 : x
  2. Step 2: Convert to fraction form
    103,274.10/142,506.54 = 57,942.63/x
  3. Step 3: Cross multiply
    103,274.10x = 142,506.54 × 57,942.63
  4. Step 4: Simplify right side
    103,274.10x = 8,257,203,719.80
  5. Step 5: Solve for x
    x = 8,257,203,719.80/103,274.10
  6. Step 6: Final answer
    x = 79,954.25

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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.