Home / 126,231.81-174,210.30-71,801.02

Finding the Fourth Proportional to 126,231.81, 174,210.30 and 71,801.02

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Solution

The fourth proportional to 126,231.81, 174,210.30 and 71,801.02 is: 99,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,231.81 : 174,210.30 = 71,801.02 : x
  2. Step 2: Convert to fraction form
    126,231.81/174,210.30 = 71,801.02/x
  3. Step 3: Cross multiply
    126,231.81x = 174,210.30 × 71,801.02
  4. Step 4: Simplify right side
    126,231.81x = 12,508,477,234.51
  5. Step 5: Solve for x
    x = 12,508,477,234.51/126,231.81
  6. Step 6: Final answer
    x = 99,091.32

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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.