Home / 126,442.34-174,493.95-69,857.36

Finding the Fourth Proportional to 126,442.34, 174,493.95 and 69,857.36

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Solution

The fourth proportional to 126,442.34, 174,493.95 and 69,857.36 is: 96,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,442.34 : 174,493.95 = 69,857.36 : x
  2. Step 2: Convert to fraction form
    126,442.34/174,493.95 = 69,857.36/x
  3. Step 3: Cross multiply
    126,442.34x = 174,493.95 × 69,857.36
  4. Step 4: Simplify right side
    126,442.34x = 12,189,686,682.97
  5. Step 5: Solve for x
    x = 12,189,686,682.97/126,442.34
  6. Step 6: Final answer
    x = 96,405.10

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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.