Home / 129,982.64-194,973.96-46,876.64

Finding the Fourth Proportional to 129,982.64, 194,973.96 and 46,876.64

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Solution

The fourth proportional to 129,982.64, 194,973.96 and 46,876.64 is: 70,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.64 : 194,973.96 = 46,876.64 : x
  2. Step 2: Convert to fraction form
    129,982.64/194,973.96 = 46,876.64/x
  3. Step 3: Cross multiply
    129,982.64x = 194,973.96 × 46,876.64
  4. Step 4: Simplify right side
    129,982.64x = 9,139,724,132.29
  5. Step 5: Solve for x
    x = 9,139,724,132.29/129,982.64
  6. Step 6: Final answer
    x = 70,314.96

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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.