Home / 126,812.89-174,853.23-101,237.29

Finding the Fourth Proportional to 126,812.89, 174,853.23 and 101,237.29

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Solution

The fourth proportional to 126,812.89, 174,853.23 and 101,237.29 is: 139,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,812.89 : 174,853.23 = 101,237.29 : x
  2. Step 2: Convert to fraction form
    126,812.89/174,853.23 = 101,237.29/x
  3. Step 3: Cross multiply
    126,812.89x = 174,853.23 × 101,237.29
  4. Step 4: Simplify right side
    126,812.89x = 17,701,667,889.18
  5. Step 5: Solve for x
    x = 17,701,667,889.18/126,812.89
  6. Step 6: Final answer
    x = 139,588.87

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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.