Home / 174,128.36-261,290.96-74,279.12

Finding the Fourth Proportional to 174,128.36, 261,290.96 and 74,279.12

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Solution

The fourth proportional to 174,128.36, 261,290.96 and 74,279.12 is: 111,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,128.36 : 261,290.96 = 74,279.12 : x
  2. Step 2: Convert to fraction form
    174,128.36/261,290.96 = 74,279.12/x
  3. Step 3: Cross multiply
    174,128.36x = 261,290.96 × 74,279.12
  4. Step 4: Simplify right side
    174,128.36x = 19,408,462,201.36
  5. Step 5: Solve for x
    x = 19,408,462,201.36/174,128.36
  6. Step 6: Final answer
    x = 111,460.66

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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.