Home / 112,773.14-169,159.65-105,299.76

Finding the Fourth Proportional to 112,773.14, 169,159.65 and 105,299.76

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Solution

The fourth proportional to 112,773.14, 169,159.65 and 105,299.76 is: 157,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,773.14 : 169,159.65 = 105,299.76 : x
  2. Step 2: Convert to fraction form
    112,773.14/169,159.65 = 105,299.76/x
  3. Step 3: Cross multiply
    112,773.14x = 169,159.65 × 105,299.76
  4. Step 4: Simplify right side
    112,773.14x = 17,812,470,786.16
  5. Step 5: Solve for x
    x = 17,812,470,786.16/112,773.14
  6. Step 6: Final answer
    x = 157,949.59

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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.