Home / 112,296.74-168,444.57-45,721.09

Finding the Fourth Proportional to 112,296.74, 168,444.57 and 45,721.09

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Solution

The fourth proportional to 112,296.74, 168,444.57 and 45,721.09 is: 68,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.74 : 168,444.57 = 45,721.09 : x
  2. Step 2: Convert to fraction form
    112,296.74/168,444.57 = 45,721.09/x
  3. Step 3: Cross multiply
    112,296.74x = 168,444.57 × 45,721.09
  4. Step 4: Simplify right side
    112,296.74x = 7,701,468,502.76
  5. Step 5: Solve for x
    x = 7,701,468,502.76/112,296.74
  6. Step 6: Final answer
    x = 68,581.41

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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.