Home / 112,572.62-168,858.90-42,435.53

Finding the Fourth Proportional to 112,572.62, 168,858.90 and 42,435.53

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Solution

The fourth proportional to 112,572.62, 168,858.90 and 42,435.53 is: 63,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,572.62 : 168,858.90 = 42,435.53 : x
  2. Step 2: Convert to fraction form
    112,572.62/168,858.90 = 42,435.53/x
  3. Step 3: Cross multiply
    112,572.62x = 168,858.90 × 42,435.53
  4. Step 4: Simplify right side
    112,572.62x = 7,165,616,704.54
  5. Step 5: Solve for x
    x = 7,165,616,704.54/112,572.62
  6. Step 6: Final answer
    x = 63,653.28

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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.