Home / 126,452.55-174,502.47-69,090.65

Finding the Fourth Proportional to 126,452.55, 174,502.47 and 69,090.65

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Solution

The fourth proportional to 126,452.55, 174,502.47 and 69,090.65 is: 95,343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,452.55 : 174,502.47 = 69,090.65 : x
  2. Step 2: Convert to fraction form
    126,452.55/174,502.47 = 69,090.65/x
  3. Step 3: Cross multiply
    126,452.55x = 174,502.47 × 69,090.65
  4. Step 4: Simplify right side
    126,452.55x = 12,056,489,119.87
  5. Step 5: Solve for x
    x = 12,056,489,119.87/126,452.55
  6. Step 6: Final answer
    x = 95,343.97

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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.