Home / 117,619.42-162,279.06-66,624.06

Finding the Fourth Proportional to 117,619.42, 162,279.06 and 66,624.06

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Solution

The fourth proportional to 117,619.42, 162,279.06 and 66,624.06 is: 91,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.42 : 162,279.06 = 66,624.06 : x
  2. Step 2: Convert to fraction form
    117,619.42/162,279.06 = 66,624.06/x
  3. Step 3: Cross multiply
    117,619.42x = 162,279.06 × 66,624.06
  4. Step 4: Simplify right side
    117,619.42x = 10,811,689,830.18
  5. Step 5: Solve for x
    x = 10,811,689,830.18/117,619.42
  6. Step 6: Final answer
    x = 91,920.96

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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.