Home / 126,610.29-174,719.21-70,020.45

Finding the Fourth Proportional to 126,610.29, 174,719.21 and 70,020.45

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Solution

The fourth proportional to 126,610.29, 174,719.21 and 70,020.45 is: 96,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,610.29 : 174,719.21 = 70,020.45 : x
  2. Step 2: Convert to fraction form
    126,610.29/174,719.21 = 70,020.45/x
  3. Step 3: Cross multiply
    126,610.29x = 174,719.21 × 70,020.45
  4. Step 4: Simplify right side
    126,610.29x = 12,233,917,707.84
  5. Step 5: Solve for x
    x = 12,233,917,707.84/126,610.29
  6. Step 6: Final answer
    x = 96,626.57

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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.