Home / 126,495.12-174,561.66-69,905.28

Finding the Fourth Proportional to 126,495.12, 174,561.66 and 69,905.28

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Solution

The fourth proportional to 126,495.12, 174,561.66 and 69,905.28 is: 96,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,495.12 : 174,561.66 = 69,905.28 : x
  2. Step 2: Convert to fraction form
    126,495.12/174,561.66 = 69,905.28/x
  3. Step 3: Cross multiply
    126,495.12x = 174,561.66 × 69,905.28
  4. Step 4: Simplify right side
    126,495.12x = 12,202,781,719.56
  5. Step 5: Solve for x
    x = 12,202,781,719.56/126,495.12
  6. Step 6: Final answer
    x = 96,468.40

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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.