Home / 112,365.12-155,067.52-62,064.96

Finding the Fourth Proportional to 112,365.12, 155,067.52 and 62,064.96

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Solution

The fourth proportional to 112,365.12, 155,067.52 and 62,064.96 is: 85,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,365.12 : 155,067.52 = 62,064.96 : x
  2. Step 2: Convert to fraction form
    112,365.12/155,067.52 = 62,064.96/x
  3. Step 3: Cross multiply
    112,365.12x = 155,067.52 × 62,064.96
  4. Step 4: Simplify right side
    112,365.12x = 9,624,259,426.10
  5. Step 5: Solve for x
    x = 9,624,259,426.10/112,365.12
  6. Step 6: Final answer
    x = 85,651.66

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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.