Home / 127,745.82-176,294.67-71,157.22

Finding the Fourth Proportional to 127,745.82, 176,294.67 and 71,157.22

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Solution

The fourth proportional to 127,745.82, 176,294.67 and 71,157.22 is: 98,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,745.82 : 176,294.67 = 71,157.22 : x
  2. Step 2: Convert to fraction form
    127,745.82/176,294.67 = 71,157.22/x
  3. Step 3: Cross multiply
    127,745.82x = 176,294.67 × 71,157.22
  4. Step 4: Simplify right side
    127,745.82x = 12,544,638,618.02
  5. Step 5: Solve for x
    x = 12,544,638,618.02/127,745.82
  6. Step 6: Final answer
    x = 98,199.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.