Home / 126,488.44-174,572.58-76,186.36

Finding the Fourth Proportional to 126,488.44, 174,572.58 and 76,186.36

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Solution

The fourth proportional to 126,488.44, 174,572.58 and 76,186.36 is: 105,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,488.44 : 174,572.58 = 76,186.36 : x
  2. Step 2: Convert to fraction form
    126,488.44/174,572.58 = 76,186.36/x
  3. Step 3: Cross multiply
    126,488.44x = 174,572.58 × 76,186.36
  4. Step 4: Simplify right side
    126,488.44x = 13,300,049,426.01
  5. Step 5: Solve for x
    x = 13,300,049,426.01/126,488.44
  6. Step 6: Final answer
    x = 105,148.34

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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.