Home / 142,588.24-196,776.40-82,154.08

Finding the Fourth Proportional to 142,588.24, 196,776.40 and 82,154.08

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Solution

The fourth proportional to 142,588.24, 196,776.40 and 82,154.08 is: 113,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,588.24 : 196,776.40 = 82,154.08 : x
  2. Step 2: Convert to fraction form
    142,588.24/196,776.40 = 82,154.08/x
  3. Step 3: Cross multiply
    142,588.24x = 196,776.40 × 82,154.08
  4. Step 4: Simplify right side
    142,588.24x = 16,165,984,107.71
  5. Step 5: Solve for x
    x = 16,165,984,107.71/142,588.24
  6. Step 6: Final answer
    x = 113,375.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.