Home / 127,995.12-192,127.95-71,883.18

Finding the Fourth Proportional to 127,995.12, 192,127.95 and 71,883.18

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Solution

The fourth proportional to 127,995.12, 192,127.95 and 71,883.18 is: 107,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,995.12 : 192,127.95 = 71,883.18 : x
  2. Step 2: Convert to fraction form
    127,995.12/192,127.95 = 71,883.18/x
  3. Step 3: Cross multiply
    127,995.12x = 192,127.95 × 71,883.18
  4. Step 4: Simplify right side
    127,995.12x = 13,810,768,012.88
  5. Step 5: Solve for x
    x = 13,810,768,012.88/127,995.12
  6. Step 6: Final answer
    x = 107,900.74

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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.