Home / 112,756.32-169,156.80-50,427.36

Finding the Fourth Proportional to 112,756.32, 169,156.80 and 50,427.36

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Solution

The fourth proportional to 112,756.32, 169,156.80 and 50,427.36 is: 75,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,756.32 : 169,156.80 = 50,427.36 : x
  2. Step 2: Convert to fraction form
    112,756.32/169,156.80 = 50,427.36/x
  3. Step 3: Cross multiply
    112,756.32x = 169,156.80 × 50,427.36
  4. Step 4: Simplify right side
    112,756.32x = 8,530,130,850.05
  5. Step 5: Solve for x
    x = 8,530,130,850.05/112,756.32
  6. Step 6: Final answer
    x = 75,651.02

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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.