Home / 113,882.04-170,429.40-71,172.36

Finding the Fourth Proportional to 113,882.04, 170,429.40 and 71,172.36

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Solution

The fourth proportional to 113,882.04, 170,429.40 and 71,172.36 is: 106,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.04 : 170,429.40 = 71,172.36 : x
  2. Step 2: Convert to fraction form
    113,882.04/170,429.40 = 71,172.36/x
  3. Step 3: Cross multiply
    113,882.04x = 170,429.40 × 71,172.36
  4. Step 4: Simplify right side
    113,882.04x = 12,129,862,611.38
  5. Step 5: Solve for x
    x = 12,129,862,611.38/113,882.04
  6. Step 6: Final answer
    x = 106,512.52

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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.