Home / 116,279.28-174,114.41-76,172.09

Finding the Fourth Proportional to 116,279.28, 174,114.41 and 76,172.09

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Solution

The fourth proportional to 116,279.28, 174,114.41 and 76,172.09 is: 114,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,279.28 : 174,114.41 = 76,172.09 : x
  2. Step 2: Convert to fraction form
    116,279.28/174,114.41 = 76,172.09/x
  3. Step 3: Cross multiply
    116,279.28x = 174,114.41 × 76,172.09
  4. Step 4: Simplify right side
    116,279.28x = 13,262,657,257.38
  5. Step 5: Solve for x
    x = 13,262,657,257.38/116,279.28
  6. Step 6: Final answer
    x = 114,058.65

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1.5x scale

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.