Home / 126,389.88-174,418.14-69,030

Finding the Fourth Proportional to 126,389.88, 174,418.14 and 69,030

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Solution

The fourth proportional to 126,389.88, 174,418.14 and 69,030 is: 95,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,389.88 : 174,418.14 = 69,030 : x
  2. Step 2: Convert to fraction form
    126,389.88/174,418.14 = 69,030/x
  3. Step 3: Cross multiply
    126,389.88x = 174,418.14 × 69,030
  4. Step 4: Simplify right side
    126,389.88x = 12,040,084,204.20
  5. Step 5: Solve for x
    x = 12,040,084,204.20/126,389.88
  6. Step 6: Final answer
    x = 95,261.46

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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.