Home / 112,223.91-168,397.83-45,710.87

Finding the Fourth Proportional to 112,223.91, 168,397.83 and 45,710.87

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Solution

The fourth proportional to 112,223.91, 168,397.83 and 45,710.87 is: 68,591.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,223.91 : 168,397.83 = 45,710.87 : x
  2. Step 2: Convert to fraction form
    112,223.91/168,397.83 = 45,710.87/x
  3. Step 3: Cross multiply
    112,223.91x = 168,397.83 × 45,710.87
  4. Step 4: Simplify right side
    112,223.91x = 7,697,610,473.42
  5. Step 5: Solve for x
    x = 7,697,610,473.42/112,223.91
  6. Step 6: Final answer
    x = 68,591.54

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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.