Home / 126,836.28-190,276.29-56,721.06

Finding the Fourth Proportional to 126,836.28, 190,276.29 and 56,721.06

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Solution

The fourth proportional to 126,836.28, 190,276.29 and 56,721.06 is: 85,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,836.28 : 190,276.29 = 56,721.06 : x
  2. Step 2: Convert to fraction form
    126,836.28/190,276.29 = 56,721.06/x
  3. Step 3: Cross multiply
    126,836.28x = 190,276.29 × 56,721.06
  4. Step 4: Simplify right side
    126,836.28x = 10,792,672,861.67
  5. Step 5: Solve for x
    x = 10,792,672,861.67/126,836.28
  6. Step 6: Final answer
    x = 85,091.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.