Home / 120,056.64-165,688.14-66,352.14

Finding the Fourth Proportional to 120,056.64, 165,688.14 and 66,352.14

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Solution

The fourth proportional to 120,056.64, 165,688.14 and 66,352.14 is: 91,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,056.64 : 165,688.14 = 66,352.14 : x
  2. Step 2: Convert to fraction form
    120,056.64/165,688.14 = 66,352.14/x
  3. Step 3: Cross multiply
    120,056.64x = 165,688.14 × 66,352.14
  4. Step 4: Simplify right side
    120,056.64x = 10,993,762,661.62
  5. Step 5: Solve for x
    x = 10,993,762,661.62/120,056.64
  6. Step 6: Final answer
    x = 91,571.47

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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.