Home / 174,128.86-261,291.71-74,279.62

Finding the Fourth Proportional to 174,128.86, 261,291.71 and 74,279.62

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Solution

The fourth proportional to 174,128.86, 261,291.71 and 74,279.62 is: 111,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,128.86 : 261,291.71 = 74,279.62 : x
  2. Step 2: Convert to fraction form
    174,128.86/261,291.71 = 74,279.62/x
  3. Step 3: Cross multiply
    174,128.86x = 261,291.71 × 74,279.62
  4. Step 4: Simplify right side
    174,128.86x = 19,408,648,927.95
  5. Step 5: Solve for x
    x = 19,408,648,927.95/174,128.86
  6. Step 6: Final answer
    x = 111,461.41

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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.