Home / 113,674.14-156,879.65-62,696.84

Finding the Fourth Proportional to 113,674.14, 156,879.65 and 62,696.84

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Solution

The fourth proportional to 113,674.14, 156,879.65 and 62,696.84 is: 86,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674.14 : 156,879.65 = 62,696.84 : x
  2. Step 2: Convert to fraction form
    113,674.14/156,879.65 = 62,696.84/x
  3. Step 3: Cross multiply
    113,674.14x = 156,879.65 × 62,696.84
  4. Step 4: Simplify right side
    113,674.14x = 9,835,857,923.11
  5. Step 5: Solve for x
    x = 9,835,857,923.11/113,674.14
  6. Step 6: Final answer
    x = 86,526.79

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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.