Home / 113,529.80-170,315.40-38,646.38

Finding the Fourth Proportional to 113,529.80, 170,315.40 and 38,646.38

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Solution

The fourth proportional to 113,529.80, 170,315.40 and 38,646.38 is: 57,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,529.80 : 170,315.40 = 38,646.38 : x
  2. Step 2: Convert to fraction form
    113,529.80/170,315.40 = 38,646.38/x
  3. Step 3: Cross multiply
    113,529.80x = 170,315.40 × 38,646.38
  4. Step 4: Simplify right side
    113,529.80x = 6,582,073,668.25
  5. Step 5: Solve for x
    x = 6,582,073,668.25/113,529.80
  6. Step 6: Final answer
    x = 57,976.62

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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.