Home / 112,832.44-155,725.91-72,014.18

Finding the Fourth Proportional to 112,832.44, 155,725.91 and 72,014.18

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Solution

The fourth proportional to 112,832.44, 155,725.91 and 72,014.18 is: 99,390.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,832.44 : 155,725.91 = 72,014.18 : x
  2. Step 2: Convert to fraction form
    112,832.44/155,725.91 = 72,014.18/x
  3. Step 3: Cross multiply
    112,832.44x = 155,725.91 × 72,014.18
  4. Step 4: Simplify right side
    112,832.44x = 11,214,474,282.75
  5. Step 5: Solve for x
    x = 11,214,474,282.75/112,832.44
  6. Step 6: Final answer
    x = 99,390.52

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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.