Home / 119,682.42-165,127.41-77,265.06

Finding the Fourth Proportional to 119,682.42, 165,127.41 and 77,265.06

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Solution

The fourth proportional to 119,682.42, 165,127.41 and 77,265.06 is: 106,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,682.42 : 165,127.41 = 77,265.06 : x
  2. Step 2: Convert to fraction form
    119,682.42/165,127.41 = 77,265.06/x
  3. Step 3: Cross multiply
    119,682.42x = 165,127.41 × 77,265.06
  4. Step 4: Simplify right side
    119,682.42x = 12,758,579,241.29
  5. Step 5: Solve for x
    x = 12,758,579,241.29/119,682.42
  6. Step 6: Final answer
    x = 106,603.62

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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.