Home / 113,885.04-170,433.90-71,175.36

Finding the Fourth Proportional to 113,885.04, 170,433.90 and 71,175.36

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Solution

The fourth proportional to 113,885.04, 170,433.90 and 71,175.36 is: 106,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885.04 : 170,433.90 = 71,175.36 : x
  2. Step 2: Convert to fraction form
    113,885.04/170,433.90 = 71,175.36/x
  3. Step 3: Cross multiply
    113,885.04x = 170,433.90 × 71,175.36
  4. Step 4: Simplify right side
    113,885.04x = 12,130,694,188.70
  5. Step 5: Solve for x
    x = 12,130,694,188.70/113,885.04
  6. Step 6: Final answer
    x = 106,517.01

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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.