Home / 146,208.20-218,966.70-99,206.60

Finding the Fourth Proportional to 146,208.20, 218,966.70 and 99,206.60

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Solution

The fourth proportional to 146,208.20, 218,966.70 and 99,206.60 is: 148,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.20 : 218,966.70 = 99,206.60 : x
  2. Step 2: Convert to fraction form
    146,208.20/218,966.70 = 99,206.60/x
  3. Step 3: Cross multiply
    146,208.20x = 218,966.70 × 99,206.60
  4. Step 4: Simplify right side
    146,208.20x = 21,722,941,820.22
  5. Step 5: Solve for x
    x = 21,722,941,820.22/146,208.20
  6. Step 6: Final answer
    x = 148,575.40

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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.