Home / 112,949.85-155,870.84-62,648.85

Finding the Fourth Proportional to 112,949.85, 155,870.84 and 62,648.85

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Solution

The fourth proportional to 112,949.85, 155,870.84 and 62,648.85 is: 86,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,949.85 : 155,870.84 = 62,648.85 : x
  2. Step 2: Convert to fraction form
    112,949.85/155,870.84 = 62,648.85/x
  3. Step 3: Cross multiply
    112,949.85x = 155,870.84 × 62,648.85
  4. Step 4: Simplify right side
    112,949.85x = 9,765,128,874.53
  5. Step 5: Solve for x
    x = 9,765,128,874.53/112,949.85
  6. Step 6: Final answer
    x = 86,455.44

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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.