Home / 120,270.29-165,970.49-66,552.10

Finding the Fourth Proportional to 120,270.29, 165,970.49 and 66,552.10

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Solution

The fourth proportional to 120,270.29, 165,970.49 and 66,552.10 is: 91,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,270.29 : 165,970.49 = 66,552.10 : x
  2. Step 2: Convert to fraction form
    120,270.29/165,970.49 = 66,552.10/x
  3. Step 3: Cross multiply
    120,270.29x = 165,970.49 × 66,552.10
  4. Step 4: Simplify right side
    120,270.29x = 11,045,683,899.84
  5. Step 5: Solve for x
    x = 11,045,683,899.84/120,270.29
  6. Step 6: Final answer
    x = 91,840.51

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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.