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Finding the Fourth Proportional to 112,488.48, 168,566.16 and 49,250.16

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Solution

The fourth proportional to 112,488.48, 168,566.16 and 49,250.16 is: 73,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,488.48 : 168,566.16 = 49,250.16 : x
  2. Step 2: Convert to fraction form
    112,488.48/168,566.16 = 49,250.16/x
  3. Step 3: Cross multiply
    112,488.48x = 168,566.16 × 49,250.16
  4. Step 4: Simplify right side
    112,488.48x = 8,301,910,350.59
  5. Step 5: Solve for x
    x = 8,301,910,350.59/112,488.48
  6. Step 6: Final answer
    x = 73,802.32

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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.