Home / 133,120.82-183,714.17-72,697.08

Finding the Fourth Proportional to 133,120.82, 183,714.17 and 72,697.08

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Solution

The fourth proportional to 133,120.82, 183,714.17 and 72,697.08 is: 100,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,120.82 : 183,714.17 = 72,697.08 : x
  2. Step 2: Convert to fraction form
    133,120.82/183,714.17 = 72,697.08/x
  3. Step 3: Cross multiply
    133,120.82x = 183,714.17 × 72,697.08
  4. Step 4: Simplify right side
    133,120.82x = 13,355,483,713.62
  5. Step 5: Solve for x
    x = 13,355,483,713.62/133,120.82
  6. Step 6: Final answer
    x = 100,326.03

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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.