Home / 146,178.42-201,726.18-79,110.42

Finding the Fourth Proportional to 146,178.42, 201,726.18 and 79,110.42

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Solution

The fourth proportional to 146,178.42, 201,726.18 and 79,110.42 is: 109,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,178.42 : 201,726.18 = 79,110.42 : x
  2. Step 2: Convert to fraction form
    146,178.42/201,726.18 = 79,110.42/x
  3. Step 3: Cross multiply
    146,178.42x = 201,726.18 × 79,110.42
  4. Step 4: Simplify right side
    146,178.42x = 15,958,642,824.80
  5. Step 5: Solve for x
    x = 15,958,642,824.80/146,178.42
  6. Step 6: Final answer
    x = 109,172.36

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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.