Home / 112,480.24-155,216.64-62,176

Finding the Fourth Proportional to 112,480.24, 155,216.64 and 62,176

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Solution

The fourth proportional to 112,480.24, 155,216.64 and 62,176 is: 85,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,480.24 : 155,216.64 = 62,176 : x
  2. Step 2: Convert to fraction form
    112,480.24/155,216.64 = 62,176/x
  3. Step 3: Cross multiply
    112,480.24x = 155,216.64 × 62,176
  4. Step 4: Simplify right side
    112,480.24x = 9,650,749,808.64
  5. Step 5: Solve for x
    x = 9,650,749,808.64/112,480.24
  6. Step 6: Final answer
    x = 85,799.51

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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.