Home / 126,407.12-174,435.73-69,817.28

Finding the Fourth Proportional to 126,407.12, 174,435.73 and 69,817.28

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Solution

The fourth proportional to 126,407.12, 174,435.73 and 69,817.28 is: 96,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,407.12 : 174,435.73 = 69,817.28 : x
  2. Step 2: Convert to fraction form
    126,407.12/174,435.73 = 69,817.28/x
  3. Step 3: Cross multiply
    126,407.12x = 174,435.73 × 69,817.28
  4. Step 4: Simplify right side
    126,407.12x = 12,178,627,156.69
  5. Step 5: Solve for x
    x = 12,178,627,156.69/126,407.12
  6. Step 6: Final answer
    x = 96,344.48

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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.