Home / 112,834.87-155,714.94-61,849.82

Finding the Fourth Proportional to 112,834.87, 155,714.94 and 61,849.82

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Solution

The fourth proportional to 112,834.87, 155,714.94 and 61,849.82 is: 85,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,834.87 : 155,714.94 = 61,849.82 : x
  2. Step 2: Convert to fraction form
    112,834.87/155,714.94 = 61,849.82/x
  3. Step 3: Cross multiply
    112,834.87x = 155,714.94 × 61,849.82
  4. Step 4: Simplify right side
    112,834.87x = 9,630,941,399.60
  5. Step 5: Solve for x
    x = 9,630,941,399.60/112,834.87
  6. Step 6: Final answer
    x = 85,354.30

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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.