Home / 126,420.45-174,452.43-69,048.15

Finding the Fourth Proportional to 126,420.45, 174,452.43 and 69,048.15

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Solution

The fourth proportional to 126,420.45, 174,452.43 and 69,048.15 is: 95,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,420.45 : 174,452.43 = 69,048.15 : x
  2. Step 2: Convert to fraction form
    126,420.45/174,452.43 = 69,048.15/x
  3. Step 3: Cross multiply
    126,420.45x = 174,452.43 × 69,048.15
  4. Step 4: Simplify right side
    126,420.45x = 12,045,617,159.24
  5. Step 5: Solve for x
    x = 12,045,617,159.24/126,420.45
  6. Step 6: Final answer
    x = 95,282.19

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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.