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Finding the Fourth Proportional to 132,656.95, 183,057.36 and 75,297.46

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Solution

The fourth proportional to 132,656.95, 183,057.36 and 75,297.46 is: 103,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,656.95 : 183,057.36 = 75,297.46 : x
  2. Step 2: Convert to fraction form
    132,656.95/183,057.36 = 75,297.46/x
  3. Step 3: Cross multiply
    132,656.95x = 183,057.36 × 75,297.46
  4. Step 4: Simplify right side
    132,656.95x = 13,783,754,242.31
  5. Step 5: Solve for x
    x = 13,783,754,242.31/132,656.95
  6. Step 6: Final answer
    x = 103,905.26

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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.