Home / 160,290.12-240,457.06-66,774

Finding the Fourth Proportional to 160,290.12, 240,457.06 and 66,774

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Solution

The fourth proportional to 160,290.12, 240,457.06 and 66,774 is: 100,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,290.12 : 240,457.06 = 66,774 : x
  2. Step 2: Convert to fraction form
    160,290.12/240,457.06 = 66,774/x
  3. Step 3: Cross multiply
    160,290.12x = 240,457.06 × 66,774
  4. Step 4: Simplify right side
    160,290.12x = 16,056,279,724.44
  5. Step 5: Solve for x
    x = 16,056,279,724.44/160,290.12
  6. Step 6: Final answer
    x = 100,170.11

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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.