Home / 146,178.20-201,726.54-79,110.20

Finding the Fourth Proportional to 146,178.20, 201,726.54 and 79,110.20

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Solution

The fourth proportional to 146,178.20, 201,726.54 and 79,110.20 is: 109,172.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,178.20 : 201,726.54 = 79,110.20 : x
  2. Step 2: Convert to fraction form
    146,178.20/201,726.54 = 79,110.20/x
  3. Step 3: Cross multiply
    146,178.20x = 201,726.54 × 79,110.20
  4. Step 4: Simplify right side
    146,178.20x = 15,958,626,924.71
  5. Step 5: Solve for x
    x = 15,958,626,924.71/146,178.20
  6. Step 6: Final answer
    x = 109,172.41

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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.