Home / 126,066.58-189,136.91-37,322.40

Finding the Fourth Proportional to 126,066.58, 189,136.91 and 37,322.40

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Solution

The fourth proportional to 126,066.58, 189,136.91 and 37,322.40 is: 55,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,066.58 : 189,136.91 = 37,322.40 : x
  2. Step 2: Convert to fraction form
    126,066.58/189,136.91 = 37,322.40/x
  3. Step 3: Cross multiply
    126,066.58x = 189,136.91 × 37,322.40
  4. Step 4: Simplify right side
    126,066.58x = 7,059,043,409.78
  5. Step 5: Solve for x
    x = 7,059,043,409.78/126,066.58
  6. Step 6: Final answer
    x = 55,994.57

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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.