Home / 127,675.14-176,197.14-71,086.50

Finding the Fourth Proportional to 127,675.14, 176,197.14 and 71,086.50

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Solution

The fourth proportional to 127,675.14, 176,197.14 and 71,086.50 is: 98,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.14 : 176,197.14 = 71,086.50 : x
  2. Step 2: Convert to fraction form
    127,675.14/176,197.14 = 71,086.50/x
  3. Step 3: Cross multiply
    127,675.14x = 176,197.14 × 71,086.50
  4. Step 4: Simplify right side
    127,675.14x = 12,525,237,992.61
  5. Step 5: Solve for x
    x = 12,525,237,992.61/127,675.14
  6. Step 6: Final answer
    x = 98,102.40

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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.