Home / 102,334.08-141,211.44-75,491.49

Finding the Fourth Proportional to 102,334.08, 141,211.44 and 75,491.49

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Solution

The fourth proportional to 102,334.08, 141,211.44 and 75,491.49 is: 104,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.08 : 141,211.44 = 75,491.49 : x
  2. Step 2: Convert to fraction form
    102,334.08/141,211.44 = 75,491.49/x
  3. Step 3: Cross multiply
    102,334.08x = 141,211.44 × 75,491.49
  4. Step 4: Simplify right side
    102,334.08x = 10,660,262,010.65
  5. Step 5: Solve for x
    x = 10,660,262,010.65/102,334.08
  6. Step 6: Final answer
    x = 104,171.18

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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.