Home / 146,519.36-202,196.80-79,451.36

Finding the Fourth Proportional to 146,519.36, 202,196.80 and 79,451.36

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Solution

The fourth proportional to 146,519.36, 202,196.80 and 79,451.36 is: 109,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,519.36 : 202,196.80 = 79,451.36 : x
  2. Step 2: Convert to fraction form
    146,519.36/202,196.80 = 79,451.36/x
  3. Step 3: Cross multiply
    146,519.36x = 202,196.80 × 79,451.36
  4. Step 4: Simplify right side
    146,519.36x = 16,064,810,747.65
  5. Step 5: Solve for x
    x = 16,064,810,747.65/146,519.36
  6. Step 6: Final answer
    x = 109,642.92

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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.