Home / 127,453.60-191,205.91-71,373.45

Finding the Fourth Proportional to 127,453.60, 191,205.91 and 71,373.45

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Solution

The fourth proportional to 127,453.60, 191,205.91 and 71,373.45 is: 107,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.60 : 191,205.91 = 71,373.45 : x
  2. Step 2: Convert to fraction form
    127,453.60/191,205.91 = 71,373.45/x
  3. Step 3: Cross multiply
    127,453.60x = 191,205.91 × 71,373.45
  4. Step 4: Simplify right side
    127,453.60x = 13,647,025,457.09
  5. Step 5: Solve for x
    x = 13,647,025,457.09/127,453.60
  6. Step 6: Final answer
    x = 107,074.46

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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.