Home / 133,080.64-183,654.14-72,653.83

Finding the Fourth Proportional to 133,080.64, 183,654.14 and 72,653.83

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Solution

The fourth proportional to 133,080.64, 183,654.14 and 72,653.83 is: 100,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080.64 : 183,654.14 = 72,653.83 : x
  2. Step 2: Convert to fraction form
    133,080.64/183,654.14 = 72,653.83/x
  3. Step 3: Cross multiply
    133,080.64x = 183,654.14 × 72,653.83
  4. Step 4: Simplify right side
    133,080.64x = 13,343,175,843.95
  5. Step 5: Solve for x
    x = 13,343,175,843.95/133,080.64
  6. Step 6: Final answer
    x = 100,263.84

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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.