Home / 112,187.04-168,151.34-45,554

Finding the Fourth Proportional to 112,187.04, 168,151.34 and 45,554

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Solution

The fourth proportional to 112,187.04, 168,151.34 and 45,554 is: 68,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,187.04 : 168,151.34 = 45,554 : x
  2. Step 2: Convert to fraction form
    112,187.04/168,151.34 = 45,554/x
  3. Step 3: Cross multiply
    112,187.04x = 168,151.34 × 45,554
  4. Step 4: Simplify right side
    112,187.04x = 7,659,966,142.36
  5. Step 5: Solve for x
    x = 7,659,966,142.36/112,187.04
  6. Step 6: Final answer
    x = 68,278.53

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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.