Home / 112,330.24-168,492.10-45,753.90

Finding the Fourth Proportional to 112,330.24, 168,492.10 and 45,753.90

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Solution

The fourth proportional to 112,330.24, 168,492.10 and 45,753.90 is: 68,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.24 : 168,492.10 = 45,753.90 : x
  2. Step 2: Convert to fraction form
    112,330.24/168,492.10 = 45,753.90/x
  3. Step 3: Cross multiply
    112,330.24x = 168,492.10 × 45,753.90
  4. Step 4: Simplify right side
    112,330.24x = 7,709,170,694.19
  5. Step 5: Solve for x
    x = 7,709,170,694.19/112,330.24
  6. Step 6: Final answer
    x = 68,629.52

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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.