Home / 146,739-202,504.14-79,675.32

Finding the Fourth Proportional to 146,739, 202,504.14 and 79,675.32

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Solution

The fourth proportional to 146,739, 202,504.14 and 79,675.32 is: 109,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739 : 202,504.14 = 79,675.32 : x
  2. Step 2: Convert to fraction form
    146,739/202,504.14 = 79,675.32/x
  3. Step 3: Cross multiply
    146,739x = 202,504.14 × 79,675.32
  4. Step 4: Simplify right side
    146,739x = 16,134,582,155.82
  5. Step 5: Solve for x
    x = 16,134,582,155.82/146,739
  6. Step 6: Final answer
    x = 109,954.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.