Home / 126,158.06-174,090.17-72,405.24

Finding the Fourth Proportional to 126,158.06, 174,090.17 and 72,405.24

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Solution

The fourth proportional to 126,158.06, 174,090.17 and 72,405.24 is: 99,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.06 : 174,090.17 = 72,405.24 : x
  2. Step 2: Convert to fraction form
    126,158.06/174,090.17 = 72,405.24/x
  3. Step 3: Cross multiply
    126,158.06x = 174,090.17 × 72,405.24
  4. Step 4: Simplify right side
    126,158.06x = 12,605,040,540.49
  5. Step 5: Solve for x
    x = 12,605,040,540.49/126,158.06
  6. Step 6: Final answer
    x = 99,914.67

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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.