Home / 112,544.96-168,579.24-72,984.56

Finding the Fourth Proportional to 112,544.96, 168,579.24 and 72,984.56

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Solution

The fourth proportional to 112,544.96, 168,579.24 and 72,984.56 is: 109,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544.96 : 168,579.24 = 72,984.56 : x
  2. Step 2: Convert to fraction form
    112,544.96/168,579.24 = 72,984.56/x
  3. Step 3: Cross multiply
    112,544.96x = 168,579.24 × 72,984.56
  4. Step 4: Simplify right side
    112,544.96x = 12,303,681,656.53
  5. Step 5: Solve for x
    x = 12,303,681,656.53/112,544.96
  6. Step 6: Final answer
    x = 109,322.37

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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.