Home / 146,210.68-201,771.40-79,142.68

Finding the Fourth Proportional to 146,210.68, 201,771.40 and 79,142.68

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Solution

The fourth proportional to 146,210.68, 201,771.40 and 79,142.68 is: 109,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.68 : 201,771.40 = 79,142.68 : x
  2. Step 2: Convert to fraction form
    146,210.68/201,771.40 = 79,142.68/x
  3. Step 3: Cross multiply
    146,210.68x = 201,771.40 × 79,142.68
  4. Step 4: Simplify right side
    146,210.68x = 15,968,729,343.35
  5. Step 5: Solve for x
    x = 15,968,729,343.35/146,210.68
  6. Step 6: Final answer
    x = 109,217.26

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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.