Home / 74,215.08-111,321-18,055.44

Finding the Fourth Proportional to 74,215.08, 111,321 and 18,055.44

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Solution

The fourth proportional to 74,215.08, 111,321 and 18,055.44 is: 27,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.08 : 111,321 = 18,055.44 : x
  2. Step 2: Convert to fraction form
    74,215.08/111,321 = 18,055.44/x
  3. Step 3: Cross multiply
    74,215.08x = 111,321 × 18,055.44
  4. Step 4: Simplify right side
    74,215.08x = 2,009,949,636.24
  5. Step 5: Solve for x
    x = 2,009,949,636.24/74,215.08
  6. Step 6: Final answer
    x = 27,082.77

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1.5x scale

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.