Home / 112,283.88-168,403.74-53,111

Finding the Fourth Proportional to 112,283.88, 168,403.74 and 53,111

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Solution

The fourth proportional to 112,283.88, 168,403.74 and 53,111 is: 79,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.88 : 168,403.74 = 53,111 : x
  2. Step 2: Convert to fraction form
    112,283.88/168,403.74 = 53,111/x
  3. Step 3: Cross multiply
    112,283.88x = 168,403.74 × 53,111
  4. Step 4: Simplify right side
    112,283.88x = 8,944,091,035.14
  5. Step 5: Solve for x
    x = 8,944,091,035.14/112,283.88
  6. Step 6: Final answer
    x = 79,656.06

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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.