Home / 112,857.14-169,139.91-53,710.94

Finding the Fourth Proportional to 112,857.14, 169,139.91 and 53,710.94

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Solution

The fourth proportional to 112,857.14, 169,139.91 and 53,710.94 is: 80,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,857.14 : 169,139.91 = 53,710.94 : x
  2. Step 2: Convert to fraction form
    112,857.14/169,139.91 = 53,710.94/x
  3. Step 3: Cross multiply
    112,857.14x = 169,139.91 × 53,710.94
  4. Step 4: Simplify right side
    112,857.14x = 9,084,663,557.62
  5. Step 5: Solve for x
    x = 9,084,663,557.62/112,857.14
  6. Step 6: Final answer
    x = 80,497.02

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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.