Home / 134,310.60-185,328.36-76,941

Finding the Fourth Proportional to 134,310.60, 185,328.36 and 76,941

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Solution

The fourth proportional to 134,310.60, 185,328.36 and 76,941 is: 106,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,310.60 : 185,328.36 = 76,941 : x
  2. Step 2: Convert to fraction form
    134,310.60/185,328.36 = 76,941/x
  3. Step 3: Cross multiply
    134,310.60x = 185,328.36 × 76,941
  4. Step 4: Simplify right side
    134,310.60x = 14,259,349,346.76
  5. Step 5: Solve for x
    x = 14,259,349,346.76/134,310.60
  6. Step 6: Final answer
    x = 106,166.97

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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.