Home / 92,187.21-127,220.75-51,902.45

Finding the Fourth Proportional to 92,187.21, 127,220.75 and 51,902.45

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Solution

The fourth proportional to 92,187.21, 127,220.75 and 51,902.45 is: 71,626.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,187.21 : 127,220.75 = 51,902.45 : x
  2. Step 2: Convert to fraction form
    92,187.21/127,220.75 = 51,902.45/x
  3. Step 3: Cross multiply
    92,187.21x = 127,220.75 × 51,902.45
  4. Step 4: Simplify right side
    92,187.21x = 6,603,068,180.10
  5. Step 5: Solve for x
    x = 6,603,068,180.10/92,187.21
  6. Step 6: Final answer
    x = 71,626.72

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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.