Home / 126,765.30-190,147.41-51,920.22

Finding the Fourth Proportional to 126,765.30, 190,147.41 and 51,920.22

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Solution

The fourth proportional to 126,765.30, 190,147.41 and 51,920.22 is: 77,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,765.30 : 190,147.41 = 51,920.22 : x
  2. Step 2: Convert to fraction form
    126,765.30/190,147.41 = 51,920.22/x
  3. Step 3: Cross multiply
    126,765.30x = 190,147.41 × 51,920.22
  4. Step 4: Simplify right side
    126,765.30x = 9,872,495,359.63
  5. Step 5: Solve for x
    x = 9,872,495,359.63/126,765.30
  6. Step 6: Final answer
    x = 77,880.11

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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.