Home / 146,210.40-201,781.80-82,555.20

Finding the Fourth Proportional to 146,210.40, 201,781.80 and 82,555.20

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Solution

The fourth proportional to 146,210.40, 201,781.80 and 82,555.20 is: 113,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,210.40 : 201,781.80 = 82,555.20 : x
  2. Step 2: Convert to fraction form
    146,210.40/201,781.80 = 82,555.20/x
  3. Step 3: Cross multiply
    146,210.40x = 201,781.80 × 82,555.20
  4. Step 4: Simplify right side
    146,210.40x = 16,658,136,855.36
  5. Step 5: Solve for x
    x = 16,658,136,855.36/146,210.40
  6. Step 6: Final answer
    x = 113,932.64

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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.