Home / 133,265.36-183,888.40-85,583.28

Finding the Fourth Proportional to 133,265.36, 183,888.40 and 85,583.28

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Solution

The fourth proportional to 133,265.36, 183,888.40 and 85,583.28 is: 118,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,265.36 : 183,888.40 = 85,583.28 : x
  2. Step 2: Convert to fraction form
    133,265.36/183,888.40 = 85,583.28/x
  3. Step 3: Cross multiply
    133,265.36x = 183,888.40 × 85,583.28
  4. Step 4: Simplify right side
    133,265.36x = 15,737,772,425.95
  5. Step 5: Solve for x
    x = 15,737,772,425.95/133,265.36
  6. Step 6: Final answer
    x = 118,093.50

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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.