Home / 112,499.21-168,602.40-100,583.70

Finding the Fourth Proportional to 112,499.21, 168,602.40 and 100,583.70

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Solution

The fourth proportional to 112,499.21, 168,602.40 and 100,583.70 is: 150,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,499.21 : 168,602.40 = 100,583.70 : x
  2. Step 2: Convert to fraction form
    112,499.21/168,602.40 = 100,583.70/x
  3. Step 3: Cross multiply
    112,499.21x = 168,602.40 × 100,583.70
  4. Step 4: Simplify right side
    112,499.21x = 16,958,653,220.88
  5. Step 5: Solve for x
    x = 16,958,653,220.88/112,499.21
  6. Step 6: Final answer
    x = 150,744.65

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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.