Home / 103,274.04-154,765.59-82,120.18

Finding the Fourth Proportional to 103,274.04, 154,765.59 and 82,120.18

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Solution

The fourth proportional to 103,274.04, 154,765.59 and 82,120.18 is: 123,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,274.04 : 154,765.59 = 82,120.18 : x
  2. Step 2: Convert to fraction form
    103,274.04/154,765.59 = 82,120.18/x
  3. Step 3: Cross multiply
    103,274.04x = 154,765.59 × 82,120.18
  4. Step 4: Simplify right side
    103,274.04x = 12,709,377,703.93
  5. Step 5: Solve for x
    x = 12,709,377,703.93/103,274.04
  6. Step 6: Final answer
    x = 123,064.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.