Home / 92,215.40-138,323.10-84,633.80

Finding the Fourth Proportional to 92,215.40, 138,323.10 and 84,633.80

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Solution

The fourth proportional to 92,215.40, 138,323.10 and 84,633.80 is: 126,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,215.40 : 138,323.10 = 84,633.80 : x
  2. Step 2: Convert to fraction form
    92,215.40/138,323.10 = 84,633.80/x
  3. Step 3: Cross multiply
    92,215.40x = 138,323.10 × 84,633.80
  4. Step 4: Simplify right side
    92,215.40x = 11,706,809,580.78
  5. Step 5: Solve for x
    x = 11,706,809,580.78/92,215.40
  6. Step 6: Final answer
    x = 126,950.70

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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.