Home / 112,362.36-168,568.68-42,242.28

Finding the Fourth Proportional to 112,362.36, 168,568.68 and 42,242.28

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Solution

The fourth proportional to 112,362.36, 168,568.68 and 42,242.28 is: 63,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,362.36 : 168,568.68 = 42,242.28 : x
  2. Step 2: Convert to fraction form
    112,362.36/168,568.68 = 42,242.28/x
  3. Step 3: Cross multiply
    112,362.36x = 168,568.68 × 42,242.28
  4. Step 4: Simplify right side
    112,362.36x = 7,120,725,379.79
  5. Step 5: Solve for x
    x = 7,120,725,379.79/112,362.36
  6. Step 6: Final answer
    x = 63,372.87

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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.