Home / 106,637.31-147,163.12-63,067.21

Finding the Fourth Proportional to 106,637.31, 147,163.12 and 63,067.21

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Solution

The fourth proportional to 106,637.31, 147,163.12 and 63,067.21 is: 87,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,637.31 : 147,163.12 = 63,067.21 : x
  2. Step 2: Convert to fraction form
    106,637.31/147,163.12 = 63,067.21/x
  3. Step 3: Cross multiply
    106,637.31x = 147,163.12 × 63,067.21
  4. Step 4: Simplify right side
    106,637.31x = 9,281,168,181.66
  5. Step 5: Solve for x
    x = 9,281,168,181.66/106,637.31
  6. Step 6: Final answer
    x = 87,034.90

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1.5x scale

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.