Home / 126,813.60-190,224.78-60,219.36

Finding the Fourth Proportional to 126,813.60, 190,224.78 and 60,219.36

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Solution

The fourth proportional to 126,813.60, 190,224.78 and 60,219.36 is: 90,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,813.60 : 190,224.78 = 60,219.36 : x
  2. Step 2: Convert to fraction form
    126,813.60/190,224.78 = 60,219.36/x
  3. Step 3: Cross multiply
    126,813.60x = 190,224.78 × 60,219.36
  4. Step 4: Simplify right side
    126,813.60x = 11,455,214,507.74
  5. Step 5: Solve for x
    x = 11,455,214,507.74/126,813.60
  6. Step 6: Final answer
    x = 90,331.12

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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.