Home / 126,725.74-190,130.82-42,494.22

Finding the Fourth Proportional to 126,725.74, 190,130.82 and 42,494.22

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Solution

The fourth proportional to 126,725.74, 190,130.82 and 42,494.22 is: 63,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.74 : 190,130.82 = 42,494.22 : x
  2. Step 2: Convert to fraction form
    126,725.74/190,130.82 = 42,494.22/x
  3. Step 3: Cross multiply
    126,725.74x = 190,130.82 × 42,494.22
  4. Step 4: Simplify right side
    126,725.74x = 8,079,460,893.86
  5. Step 5: Solve for x
    x = 8,079,460,893.86/126,725.74
  6. Step 6: Final answer
    x = 63,755.48

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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.