Home / 112,334.10-168,454.29-45,729

Finding the Fourth Proportional to 112,334.10, 168,454.29 and 45,729

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Solution

The fourth proportional to 112,334.10, 168,454.29 and 45,729 is: 68,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334.10 : 168,454.29 = 45,729 : x
  2. Step 2: Convert to fraction form
    112,334.10/168,454.29 = 45,729/x
  3. Step 3: Cross multiply
    112,334.10x = 168,454.29 × 45,729
  4. Step 4: Simplify right side
    112,334.10x = 7,703,246,227.41
  5. Step 5: Solve for x
    x = 7,703,246,227.41/112,334.10
  6. Step 6: Final answer
    x = 68,574.42

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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.