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Finding the Fourth Proportional to 112,053.62, 168,132.89 and 55,898.08

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Solution

The fourth proportional to 112,053.62, 168,132.89 and 55,898.08 is: 83,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,053.62 : 168,132.89 = 55,898.08 : x
  2. Step 2: Convert to fraction form
    112,053.62/168,132.89 = 55,898.08/x
  3. Step 3: Cross multiply
    112,053.62x = 168,132.89 × 55,898.08
  4. Step 4: Simplify right side
    112,053.62x = 9,398,305,455.26
  5. Step 5: Solve for x
    x = 9,398,305,455.26/112,053.62
  6. Step 6: Final answer
    x = 83,873.29

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1.5x scale

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.