Home / 126,090.12-189,162.88-37,350.60

Finding the Fourth Proportional to 126,090.12, 189,162.88 and 37,350.60

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Solution

The fourth proportional to 126,090.12, 189,162.88 and 37,350.60 is: 56,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.12 : 189,162.88 = 37,350.60 : x
  2. Step 2: Convert to fraction form
    126,090.12/189,162.88 = 37,350.60/x
  3. Step 3: Cross multiply
    126,090.12x = 189,162.88 × 37,350.60
  4. Step 4: Simplify right side
    126,090.12x = 7,065,347,065.73
  5. Step 5: Solve for x
    x = 7,065,347,065.73/126,090.12
  6. Step 6: Final answer
    x = 56,034.11

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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.