Home / 112,580.12-169,063.57-99,958.30

Finding the Fourth Proportional to 112,580.12, 169,063.57 and 99,958.30

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Solution

The fourth proportional to 112,580.12, 169,063.57 and 99,958.30 is: 150,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.12 : 169,063.57 = 99,958.30 : x
  2. Step 2: Convert to fraction form
    112,580.12/169,063.57 = 99,958.30/x
  3. Step 3: Cross multiply
    112,580.12x = 169,063.57 × 99,958.30
  4. Step 4: Simplify right side
    112,580.12x = 16,899,307,049.13
  5. Step 5: Solve for x
    x = 16,899,307,049.13/112,580.12
  6. Step 6: Final answer
    x = 150,109.16

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1.5x scale

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.