Home / 122,565.90-183,654.45-80,964.30

Finding the Fourth Proportional to 122,565.90, 183,654.45 and 80,964.30

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Solution

The fourth proportional to 122,565.90, 183,654.45 and 80,964.30 is: 121,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,565.90 : 183,654.45 = 80,964.30 : x
  2. Step 2: Convert to fraction form
    122,565.90/183,654.45 = 80,964.30/x
  3. Step 3: Cross multiply
    122,565.90x = 183,654.45 × 80,964.30
  4. Step 4: Simplify right side
    122,565.90x = 14,869,453,986.14
  5. Step 5: Solve for x
    x = 14,869,453,986.14/122,565.90
  6. Step 6: Final answer
    x = 121,318.03

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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.