Home / 117,453.63-162,086.12-63,738.65

Finding the Fourth Proportional to 117,453.63, 162,086.12 and 63,738.65

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Solution

The fourth proportional to 117,453.63, 162,086.12 and 63,738.65 is: 87,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.63 : 162,086.12 = 63,738.65 : x
  2. Step 2: Convert to fraction form
    117,453.63/162,086.12 = 63,738.65/x
  3. Step 3: Cross multiply
    117,453.63x = 162,086.12 × 63,738.65
  4. Step 4: Simplify right side
    117,453.63x = 10,331,149,948.67
  5. Step 5: Solve for x
    x = 10,331,149,948.67/117,453.63
  6. Step 6: Final answer
    x = 87,959.39

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1.5x scale

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.