Home / 130,171.13-195,181.96-51,242.30

Finding the Fourth Proportional to 130,171.13, 195,181.96 and 51,242.30

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Solution

The fourth proportional to 130,171.13, 195,181.96 and 51,242.30 is: 76,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,171.13 : 195,181.96 = 51,242.30 : x
  2. Step 2: Convert to fraction form
    130,171.13/195,181.96 = 51,242.30/x
  3. Step 3: Cross multiply
    130,171.13x = 195,181.96 × 51,242.30
  4. Step 4: Simplify right side
    130,171.13x = 10,001,572,548.91
  5. Step 5: Solve for x
    x = 10,001,572,548.91/130,171.13
  6. Step 6: Final answer
    x = 76,834.03

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1.5x scale

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.