Home / 129,813.36-194,720.04-46,705.20

Finding the Fourth Proportional to 129,813.36, 194,720.04 and 46,705.20

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Solution

The fourth proportional to 129,813.36, 194,720.04 and 46,705.20 is: 70,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,813.36 : 194,720.04 = 46,705.20 : x
  2. Step 2: Convert to fraction form
    129,813.36/194,720.04 = 46,705.20/x
  3. Step 3: Cross multiply
    129,813.36x = 194,720.04 × 46,705.20
  4. Step 4: Simplify right side
    129,813.36x = 9,094,438,412.21
  5. Step 5: Solve for x
    x = 9,094,438,412.21/129,813.36
  6. Step 6: Final answer
    x = 70,057.80

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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.