Home / 112,922.64-169,238.16-53,776.44

Finding the Fourth Proportional to 112,922.64, 169,238.16 and 53,776.44

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Solution

The fourth proportional to 112,922.64, 169,238.16 and 53,776.44 is: 80,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.64 : 169,238.16 = 53,776.44 : x
  2. Step 2: Convert to fraction form
    112,922.64/169,238.16 = 53,776.44/x
  3. Step 3: Cross multiply
    112,922.64x = 169,238.16 × 53,776.44
  4. Step 4: Simplify right side
    112,922.64x = 9,101,025,756.95
  5. Step 5: Solve for x
    x = 9,101,025,756.95/112,922.64
  6. Step 6: Final answer
    x = 80,595.23

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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.