Home / 126,489.66-174,555.90-69,901.05

Finding the Fourth Proportional to 126,489.66, 174,555.90 and 69,901.05

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Solution

The fourth proportional to 126,489.66, 174,555.90 and 69,901.05 is: 96,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,489.66 : 174,555.90 = 69,901.05 : x
  2. Step 2: Convert to fraction form
    126,489.66/174,555.90 = 69,901.05/x
  3. Step 3: Cross multiply
    126,489.66x = 174,555.90 × 69,901.05
  4. Step 4: Simplify right side
    126,489.66x = 12,201,640,693.70
  5. Step 5: Solve for x
    x = 12,201,640,693.70/126,489.66
  6. Step 6: Final answer
    x = 96,463.54

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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.