Home / 133,265.82-183,889.08-85,583.76

Finding the Fourth Proportional to 133,265.82, 183,889.08 and 85,583.76

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Solution

The fourth proportional to 133,265.82, 183,889.08 and 85,583.76 is: 118,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.82 : 183,889.08 = 85,583.76 : x
  2. Step 2: Convert to fraction form
    133,265.82/183,889.08 = 85,583.76/x
  3. Step 3: Cross multiply
    133,265.82x = 183,889.08 × 85,583.76
  4. Step 4: Simplify right side
    133,265.82x = 15,737,918,889.34
  5. Step 5: Solve for x
    x = 15,737,918,889.34/133,265.82
  6. Step 6: Final answer
    x = 118,094.19

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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.