Home / 133,322.31-183,985.12-72,896.85

Finding the Fourth Proportional to 133,322.31, 183,985.12 and 72,896.85

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Solution

The fourth proportional to 133,322.31, 183,985.12 and 72,896.85 is: 100,597.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,322.31 : 183,985.12 = 72,896.85 : x
  2. Step 2: Convert to fraction form
    133,322.31/183,985.12 = 72,896.85/x
  3. Step 3: Cross multiply
    133,322.31x = 183,985.12 × 72,896.85
  4. Step 4: Simplify right side
    133,322.31x = 13,411,936,285.15
  5. Step 5: Solve for x
    x = 13,411,936,285.15/133,322.31
  6. Step 6: Final answer
    x = 100,597.84

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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.