Home / 126,440.38-174,485.64-69,077.80

Finding the Fourth Proportional to 126,440.38, 174,485.64 and 69,077.80

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Solution

The fourth proportional to 126,440.38, 174,485.64 and 69,077.80 is: 95,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,440.38 : 174,485.64 = 69,077.80 : x
  2. Step 2: Convert to fraction form
    126,440.38/174,485.64 = 69,077.80/x
  3. Step 3: Cross multiply
    126,440.38x = 174,485.64 × 69,077.80
  4. Step 4: Simplify right side
    126,440.38x = 12,053,084,142.79
  5. Step 5: Solve for x
    x = 12,053,084,142.79/126,440.38
  6. Step 6: Final answer
    x = 95,326.23

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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.