Home / 126,911.76-175,139.42-70,324.36

Finding the Fourth Proportional to 126,911.76, 175,139.42 and 70,324.36

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Solution

The fourth proportional to 126,911.76, 175,139.42 and 70,324.36 is: 97,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,911.76 : 175,139.42 = 70,324.36 : x
  2. Step 2: Convert to fraction form
    126,911.76/175,139.42 = 70,324.36/x
  3. Step 3: Cross multiply
    126,911.76x = 175,139.42 × 70,324.36
  4. Step 4: Simplify right side
    126,911.76x = 12,316,567,622.27
  5. Step 5: Solve for x
    x = 12,316,567,622.27/126,911.76
  6. Step 6: Final answer
    x = 97,048.28

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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.