Home / 112,920.24-155,829.90-62,619.24

Finding the Fourth Proportional to 112,920.24, 155,829.90 and 62,619.24

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Solution

The fourth proportional to 112,920.24, 155,829.90 and 62,619.24 is: 86,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,920.24 : 155,829.90 = 62,619.24 : x
  2. Step 2: Convert to fraction form
    112,920.24/155,829.90 = 62,619.24/x
  3. Step 3: Cross multiply
    112,920.24x = 155,829.90 × 62,619.24
  4. Step 4: Simplify right side
    112,920.24x = 9,757,949,907.28
  5. Step 5: Solve for x
    x = 9,757,949,907.28/112,920.24
  6. Step 6: Final answer
    x = 86,414.53

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1.5x scale

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.