Home / 113,251.40-169,953.64-43,128.88

Finding the Fourth Proportional to 113,251.40, 169,953.64 and 43,128.88

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Solution

The fourth proportional to 113,251.40, 169,953.64 and 43,128.88 is: 64,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251.40 : 169,953.64 = 43,128.88 : x
  2. Step 2: Convert to fraction form
    113,251.40/169,953.64 = 43,128.88/x
  3. Step 3: Cross multiply
    113,251.40x = 169,953.64 × 43,128.88
  4. Step 4: Simplify right side
    113,251.40x = 7,329,910,145.12
  5. Step 5: Solve for x
    x = 7,329,910,145.12/113,251.40
  6. Step 6: Final answer
    x = 64,722.47

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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.