Home / 126,419.83-189,629.65-37,671.05

Finding the Fourth Proportional to 126,419.83, 189,629.65 and 37,671.05

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Solution

The fourth proportional to 126,419.83, 189,629.65 and 37,671.05 is: 56,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,419.83 : 189,629.65 = 37,671.05 : x
  2. Step 2: Convert to fraction form
    126,419.83/189,629.65 = 37,671.05/x
  3. Step 3: Cross multiply
    126,419.83x = 189,629.65 × 37,671.05
  4. Step 4: Simplify right side
    126,419.83x = 7,143,548,547.80
  5. Step 5: Solve for x
    x = 7,143,548,547.80/126,419.83
  6. Step 6: Final answer
    x = 56,506.55

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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.