Home / 92,491.12-138,737.04-22,370.32

Finding the Fourth Proportional to 92,491.12, 138,737.04 and 22,370.32

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Solution

The fourth proportional to 92,491.12, 138,737.04 and 22,370.32 is: 33,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.12 : 138,737.04 = 22,370.32 : x
  2. Step 2: Convert to fraction form
    92,491.12/138,737.04 = 22,370.32/x
  3. Step 3: Cross multiply
    92,491.12x = 138,737.04 × 22,370.32
  4. Step 4: Simplify right side
    92,491.12x = 3,103,591,980.65
  5. Step 5: Solve for x
    x = 3,103,591,980.65/92,491.12
  6. Step 6: Final answer
    x = 33,555.57

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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.