Home / 133,091.08-183,663.27-75,729.15

Finding the Fourth Proportional to 133,091.08, 183,663.27 and 75,729.15

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Solution

The fourth proportional to 133,091.08, 183,663.27 and 75,729.15 is: 104,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.08 : 183,663.27 = 75,729.15 : x
  2. Step 2: Convert to fraction form
    133,091.08/183,663.27 = 75,729.15/x
  3. Step 3: Cross multiply
    133,091.08x = 183,663.27 × 75,729.15
  4. Step 4: Simplify right side
    133,091.08x = 13,908,663,323.32
  5. Step 5: Solve for x
    x = 13,908,663,323.32/133,091.08
  6. Step 6: Final answer
    x = 104,504.85

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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.