Home / 131,126.56-180,954.60-74,541.52

Finding the Fourth Proportional to 131,126.56, 180,954.60 and 74,541.52

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Solution

The fourth proportional to 131,126.56, 180,954.60 and 74,541.52 is: 102,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,126.56 : 180,954.60 = 74,541.52 : x
  2. Step 2: Convert to fraction form
    131,126.56/180,954.60 = 74,541.52/x
  3. Step 3: Cross multiply
    131,126.56x = 180,954.60 × 74,541.52
  4. Step 4: Simplify right side
    131,126.56x = 13,488,630,934.99
  5. Step 5: Solve for x
    x = 13,488,630,934.99/131,126.56
  6. Step 6: Final answer
    x = 102,867.27

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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.