Home / 126,154.80-189,199.94-37,387.60

Finding the Fourth Proportional to 126,154.80, 189,199.94 and 37,387.60

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Solution

The fourth proportional to 126,154.80, 189,199.94 and 37,387.60 is: 56,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,154.80 : 189,199.94 = 37,387.60 : x
  2. Step 2: Convert to fraction form
    126,154.80/189,199.94 = 37,387.60/x
  3. Step 3: Cross multiply
    126,154.80x = 189,199.94 × 37,387.60
  4. Step 4: Simplify right side
    126,154.80x = 7,073,731,676.74
  5. Step 5: Solve for x
    x = 7,073,731,676.74/126,154.80
  6. Step 6: Final answer
    x = 56,071.84

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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.