Home / 126,723.70-190,085.55-125,848.90

Finding the Fourth Proportional to 126,723.70, 190,085.55 and 125,848.90

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Solution

The fourth proportional to 126,723.70, 190,085.55 and 125,848.90 is: 188,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,723.70 : 190,085.55 = 125,848.90 : x
  2. Step 2: Convert to fraction form
    126,723.70/190,085.55 = 125,848.90/x
  3. Step 3: Cross multiply
    126,723.70x = 190,085.55 × 125,848.90
  4. Step 4: Simplify right side
    126,723.70x = 23,922,057,373.40
  5. Step 5: Solve for x
    x = 23,922,057,373.40/126,723.70
  6. Step 6: Final answer
    x = 188,773.35

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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.