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Finding the Fourth Proportional to 92,109.75, 127,111.46 and 52,365.75

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Solution

The fourth proportional to 92,109.75, 127,111.46 and 52,365.75 is: 72,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,109.75 : 127,111.46 = 52,365.75 : x
  2. Step 2: Convert to fraction form
    92,109.75/127,111.46 = 52,365.75/x
  3. Step 3: Cross multiply
    92,109.75x = 127,111.46 × 52,365.75
  4. Step 4: Simplify right side
    92,109.75x = 6,656,286,936.50
  5. Step 5: Solve for x
    x = 6,656,286,936.50/92,109.75
  6. Step 6: Final answer
    x = 72,264.74

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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.