Home / 113,376.20-170,064.30-29,136.20

Finding the Fourth Proportional to 113,376.20, 170,064.30 and 29,136.20

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Solution

The fourth proportional to 113,376.20, 170,064.30 and 29,136.20 is: 43,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,376.20 : 170,064.30 = 29,136.20 : x
  2. Step 2: Convert to fraction form
    113,376.20/170,064.30 = 29,136.20/x
  3. Step 3: Cross multiply
    113,376.20x = 170,064.30 × 29,136.20
  4. Step 4: Simplify right side
    113,376.20x = 4,955,027,457.66
  5. Step 5: Solve for x
    x = 4,955,027,457.66/113,376.20
  6. Step 6: Final answer
    x = 43,704.30

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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.