Home / 126,735.29-174,889.19-70,143.29

Finding the Fourth Proportional to 126,735.29, 174,889.19 and 70,143.29

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Solution

The fourth proportional to 126,735.29, 174,889.19 and 70,143.29 is: 96,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,735.29 : 174,889.19 = 70,143.29 : x
  2. Step 2: Convert to fraction form
    126,735.29/174,889.19 = 70,143.29/x
  3. Step 3: Cross multiply
    126,735.29x = 174,889.19 × 70,143.29
  4. Step 4: Simplify right side
    126,735.29x = 12,267,303,172.04
  5. Step 5: Solve for x
    x = 12,267,303,172.04/126,735.29
  6. Step 6: Final answer
    x = 96,794.69

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1.5x scale

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.