Home / 126,528.56-174,609.36-76,237.28

Finding the Fourth Proportional to 126,528.56, 174,609.36 and 76,237.28

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Solution

The fourth proportional to 126,528.56, 174,609.36 and 76,237.28 is: 105,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.56 : 174,609.36 = 76,237.28 : x
  2. Step 2: Convert to fraction form
    126,528.56/174,609.36 = 76,237.28/x
  3. Step 3: Cross multiply
    126,528.56x = 174,609.36 × 76,237.28
  4. Step 4: Simplify right side
    126,528.56x = 13,311,742,668.94
  5. Step 5: Solve for x
    x = 13,311,742,668.94/126,528.56
  6. Step 6: Final answer
    x = 105,207.41

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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.